annotate mupdf-source/thirdparty/gumbo-parser/src/gumbo.h @ 40:aa33339d6b8a upstream

ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
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1 // Copyright 2010 Google Inc. All Rights Reserved.
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2 //
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3 // Licensed under the Apache License, Version 2.0 (the "License");
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4 // you may not use this file except in compliance with the License.
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5 // You may obtain a copy of the License at
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6 //
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7 // http://www.apache.org/licenses/LICENSE-2.0
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8 //
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9 // Unless required by applicable law or agreed to in writing, software
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10 // distributed under the License is distributed on an "AS IS" BASIS,
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11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 // See the License for the specific language governing permissions and
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13 // limitations under the License.
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14 //
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15 // Author: jdtang@google.com (Jonathan Tang)
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16 //
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17 // We use Gumbo as a prefix for types, gumbo_ as a prefix for functions, and
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18 // GUMBO_ as a prefix for enum constants (static constants get the Google-style
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19 // kGumbo prefix).
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20
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21 /**
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22 * @file
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23 * @mainpage Gumbo HTML Parser
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24 *
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25 * This provides a conformant, no-dependencies implementation of the HTML5
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26 * parsing algorithm. It supports only UTF8; if you need to parse a different
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27 * encoding, run a preprocessing step to convert to UTF8. It returns a parse
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28 * tree made of the structs in this file.
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29 *
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30 * Example:
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31 * @code
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32 * GumboOutput* output = gumbo_parse(input);
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33 * do_something_with_doctype(output->document);
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34 * do_something_with_html_tree(output->root);
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35 * gumbo_destroy_output(&options, output);
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36 * @endcode
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37 * HTML5 Spec:
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38 *
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39 * http://www.whatwg.org/specs/web-apps/current-work/multipage/syntax.html
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40 */
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41
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42 #ifndef GUMBO_GUMBO_H_
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43 #define GUMBO_GUMBO_H_
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44
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45 #ifdef _MSC_VER
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46 #ifndef _CRT_SECURE_NO_WARNINGS
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47 #define _CRT_SECURE_NO_WARNINGS
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48 #endif
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49 #define fileno _fileno
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50 #endif
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51
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52 #include <stdbool.h>
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53 #include <stddef.h>
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54
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55 #ifdef __cplusplus
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56 extern "C" {
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57 #endif
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58
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59 /**
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60 * A struct representing a character position within the original text buffer.
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61 * Line and column numbers are 1-based and offsets are 0-based, which matches
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62 * how most editors and command-line tools work. Also, columns measure
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63 * positions in terms of characters while offsets measure by bytes; this is
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64 * because the offset field is often used to pull out a particular region of
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65 * text (which in most languages that bind to C implies pointer arithmetic on a
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66 * buffer of bytes), while the column field is often used to reference a
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67 * particular column on a printable display, which nowadays is usually UTF-8.
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68 */
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69 typedef struct {
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70 unsigned int line;
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71 unsigned int column;
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72 unsigned int offset;
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73 } GumboSourcePosition;
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74
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75 /**
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76 * A SourcePosition used for elements that have no source position, i.e.
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77 * parser-inserted elements.
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78 */
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79 extern const GumboSourcePosition kGumboEmptySourcePosition;
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80
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81 /**
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82 * A struct representing a string or part of a string. Strings within the
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83 * parser are represented by a char* and a length; the char* points into
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84 * an existing data buffer owned by some other code (often the original input).
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85 * GumboStringPieces are assumed (by convention) to be immutable, because they
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86 * may share data. Use GumboStringBuffer if you need to construct a string.
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87 * Clients should assume that it is not NUL-terminated, and should always use
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88 * explicit lengths when manipulating them.
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89 */
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90 typedef struct {
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91 /** A pointer to the beginning of the string. NULL iff length == 0. */
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92 const char* data;
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93
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94 /** The length of the string fragment, in bytes. May be zero. */
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95 size_t length;
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96 } GumboStringPiece;
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97
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98 /** A constant to represent a 0-length null string. */
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99 extern const GumboStringPiece kGumboEmptyString;
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100
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101 /**
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102 * Compares two GumboStringPieces, and returns true if they're equal or false
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103 * otherwise.
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104 */
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105 bool gumbo_string_equals(
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106 const GumboStringPiece* str1, const GumboStringPiece* str2);
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107
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108 /**
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109 * Compares two GumboStringPieces ignoring case, and returns true if they're
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110 * equal or false otherwise.
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111 */
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112 bool gumbo_string_equals_ignore_case(
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113 const GumboStringPiece* str1, const GumboStringPiece* str2);
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114
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115 /**
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116 * A simple vector implementation. This stores a pointer to a data array and a
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117 * length. All elements are stored as void*; client code must cast to the
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118 * appropriate type. Overflows upon addition result in reallocation of the data
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119 * array, with the size doubling to maintain O(1) amortized cost. There is no
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120 * removal function, as this isn't needed for any of the operations within this
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121 * library. Iteration can be done through inspecting the structure directly in
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122 * a for-loop.
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123 */
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124 typedef struct {
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125 /** Data elements. This points to a dynamically-allocated array of capacity
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126 * elements, each a void* to the element itself.
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127 */
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128 void** data;
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129
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130 /** Number of elements currently in the vector. */
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131 unsigned int length;
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132
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133 /** Current array capacity. */
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134 unsigned int capacity;
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135 } GumboVector;
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136
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137 /** An empty (0-length, 0-capacity) GumboVector. */
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138 extern const GumboVector kGumboEmptyVector;
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139
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140 /**
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141 * Returns the first index at which an element appears in this vector (testing
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142 * by pointer equality), or -1 if it never does.
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143 */
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144 int gumbo_vector_index_of(GumboVector* vector, const void* element);
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145
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146 /**
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147 * An enum for all the tags defined in the HTML5 standard. These correspond to
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148 * the tag names themselves. Enum constants exist only for tags which appear in
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149 * the spec itself (or for tags with special handling in the SVG and MathML
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150 * namespaces); any other tags appear as GUMBO_TAG_UNKNOWN and the actual tag
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151 * name can be obtained through original_tag.
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152 *
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153 * This is mostly for API convenience, so that clients of this library don't
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154 * need to perform a strcasecmp to find the normalized tag name. It also has
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155 * efficiency benefits, by letting the parser work with enums instead of
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156 * strings.
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157 */
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158 typedef enum {
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159 // Load all the tags from an external source, generated from tag.in.
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160 #include "tag_enum.h"
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161 // Used for all tags that don't have special handling in HTML. Add new tags
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162 // to the end of tag.in so as to preserve backwards-compatibility.
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163 GUMBO_TAG_UNKNOWN,
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164 // A marker value to indicate the end of the enum, for iterating over it.
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165 // Also used as the terminator for varargs functions that take tags.
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166 GUMBO_TAG_LAST,
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167 } GumboTag;
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168
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169 /**
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170 * Returns the normalized (usually all-lowercased, except for foreign content)
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171 * tag name for an GumboTag enum. Return value is static data owned by the
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172 * library.
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173 */
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174 const char* gumbo_normalized_tagname(GumboTag tag);
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175
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176 /**
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177 * Extracts the tag name from the original_text field of an element or token by
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178 * stripping off </> characters and attributes and adjusting the passed-in
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179 * GumboStringPiece appropriately. The tag name is in the original case and
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180 * shares a buffer with the original text, to simplify memory management.
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181 * Behavior is undefined if a string-piece that doesn't represent an HTML tag
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182 * (<tagname> or </tagname>) is passed in. If the string piece is completely
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183 * empty (NULL data pointer), then this function will exit successfully as a
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184 * no-op.
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185 */
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186 void gumbo_tag_from_original_text(GumboStringPiece* text);
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187
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188 /**
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189 * Fixes the case of SVG elements that are not all lowercase.
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190 * http://www.whatwg.org/specs/web-apps/current-work/multipage/tree-construction.html#parsing-main-inforeign
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191 * This is not done at parse time because there's no place to store a mutated
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192 * tag name. tag_name is an enum (which will be TAG_UNKNOWN for most SVG tags
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193 * without special handling), while original_tag_name is a pointer into the
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194 * original buffer. Instead, we provide this helper function that clients can
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195 * use to rename SVG tags as appropriate.
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196 * Returns the case-normalized SVG tagname if a replacement is found, or NULL if
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197 * no normalization is called for. The return value is static data and owned by
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198 * the library.
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199 */
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200 const char* gumbo_normalize_svg_tagname(const GumboStringPiece* tagname);
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201
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202 /**
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203 * Converts a tag name string (which may be in upper or mixed case) to a tag
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204 * enum. The `tag` version expects `tagname` to be NULL-terminated
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205 */
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206 GumboTag gumbo_tag_enum(const char* tagname);
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207 GumboTag gumbo_tagn_enum(const char* tagname, size_t length);
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208
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209 /**
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210 * Attribute namespaces.
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211 * HTML includes special handling for XLink, XML, and XMLNS namespaces on
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212 * attributes. Everything else goes in the generic "NONE" namespace.
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213 */
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214 typedef enum {
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215 GUMBO_ATTR_NAMESPACE_NONE,
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216 GUMBO_ATTR_NAMESPACE_XLINK,
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217 GUMBO_ATTR_NAMESPACE_XML,
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218 GUMBO_ATTR_NAMESPACE_XMLNS,
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219 } GumboAttributeNamespaceEnum;
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220
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221 /**
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222 * A struct representing a single attribute on an HTML tag. This is a
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223 * name-value pair, but also includes information about source locations and
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224 * original source text.
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225 */
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226 typedef struct {
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227 /**
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228 * The namespace for the attribute. This will usually be
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229 * GUMBO_ATTR_NAMESPACE_NONE, but some XLink/XMLNS/XML attributes take special
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230 * values, per:
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231 * http://www.whatwg.org/specs/web-apps/current-work/multipage/tree-construction.html#adjust-foreign-attributes
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232 */
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233 GumboAttributeNamespaceEnum attr_namespace;
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234
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235 /**
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236 * The name of the attribute. This is in a freshly-allocated buffer to deal
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237 * with case-normalization, and is null-terminated.
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238 */
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239 const char* name;
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240
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241 /**
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242 * The original text of the attribute name, as a pointer into the original
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243 * source buffer.
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244 */
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245 GumboStringPiece original_name;
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246
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247 /**
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248 * The value of the attribute. This is in a freshly-allocated buffer to deal
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249 * with unescaping, and is null-terminated. It does not include any quotes
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250 * that surround the attribute. If the attribute has no value (for example,
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251 * 'selected' on a checkbox), this will be an empty string.
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252 */
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253 const char* value;
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254
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255 /**
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256 * The original text of the value of the attribute. This points into the
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257 * original source buffer. It includes any quotes that surround the
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258 * attribute, and you can look at original_value.data[0] and
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259 * original_value.data[original_value.length - 1] to determine what the quote
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260 * characters were. If the attribute has no value, this will be a 0-length
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261 * string.
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262 */
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263 GumboStringPiece original_value;
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264
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265 /** The starting position of the attribute name. */
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266 GumboSourcePosition name_start;
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267
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268 /**
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269 * The ending position of the attribute name. This is not always derivable
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270 * from the starting position of the value because of the possibility of
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271 * whitespace around the = sign.
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272 */
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273 GumboSourcePosition name_end;
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274
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275 /** The starting position of the attribute value. */
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276 GumboSourcePosition value_start;
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277
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278 /** The ending position of the attribute value. */
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279 GumboSourcePosition value_end;
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280 } GumboAttribute;
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281
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282 /**
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283 * Given a vector of GumboAttributes, look up the one with the specified name
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284 * and return it, or NULL if no such attribute exists. This uses a
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285 * case-insensitive match, as HTML is case-insensitive.
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286 */
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287 GumboAttribute* gumbo_get_attribute(const GumboVector* attrs, const char* name);
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288
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289 /**
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290 * Enum denoting the type of node. This determines the type of the node.v
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291 * union.
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292 */
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293 typedef enum {
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294 /** Document node. v will be a GumboDocument. */
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295 GUMBO_NODE_DOCUMENT,
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296 /** Element node. v will be a GumboElement. */
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297 GUMBO_NODE_ELEMENT,
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298 /** Text node. v will be a GumboText. */
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299 GUMBO_NODE_TEXT,
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300 /** CDATA node. v will be a GumboText. */
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301 GUMBO_NODE_CDATA,
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302 /** Comment node. v will be a GumboText, excluding comment delimiters. */
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303 GUMBO_NODE_COMMENT,
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304 /** Text node, where all contents is whitespace. v will be a GumboText. */
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305 GUMBO_NODE_WHITESPACE,
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306 /** Template node. This is separate from GUMBO_NODE_ELEMENT because many
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307 * client libraries will want to ignore the contents of template nodes, as
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308 * the spec suggests. Recursing on GUMBO_NODE_ELEMENT will do the right thing
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309 * here, while clients that want to include template contents should also
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310 * check for GUMBO_NODE_TEMPLATE. v will be a GumboElement. */
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311 GUMBO_NODE_TEMPLATE
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312 } GumboNodeType;
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313
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314 /**
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315 * Forward declaration of GumboNode so it can be used recursively in
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316 * GumboNode.parent.
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317 */
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318 typedef struct GumboInternalNode GumboNode;
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319
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320 /**
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321 * http://www.whatwg.org/specs/web-apps/current-work/complete/dom.html#quirks-mode
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322 */
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323 typedef enum {
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324 GUMBO_DOCTYPE_NO_QUIRKS,
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325 GUMBO_DOCTYPE_QUIRKS,
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326 GUMBO_DOCTYPE_LIMITED_QUIRKS
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327 } GumboQuirksModeEnum;
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328
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329 /**
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330 * Namespaces.
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331 * Unlike in X(HT)ML, namespaces in HTML5 are not denoted by a prefix. Rather,
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332 * anything inside an <svg> tag is in the SVG namespace, anything inside the
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333 * <math> tag is in the MathML namespace, and anything else is inside the HTML
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334 * namespace. No other namespaces are supported, so this can be an enum only.
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335 */
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336 typedef enum {
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337 GUMBO_NAMESPACE_HTML,
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338 GUMBO_NAMESPACE_SVG,
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339 GUMBO_NAMESPACE_MATHML
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340 } GumboNamespaceEnum;
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341
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342 /**
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343 * Parse flags.
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344 * We track the reasons for parser insertion of nodes and store them in a
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345 * bitvector in the node itself. This lets client code optimize out nodes that
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346 * are implied by the HTML structure of the document, or flag constructs that
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347 * may not be allowed by a style guide, or track the prevalence of incorrect or
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348 * tricky HTML code.
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349 */
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350 typedef enum {
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351 /**
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352 * A normal node - both start and end tags appear in the source, nothing has
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353 * been reparented.
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354 */
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355 GUMBO_INSERTION_NORMAL = 0,
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356
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357 /**
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358 * A node inserted by the parser to fulfill some implicit insertion rule.
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359 * This is usually set in addition to some other flag giving a more specific
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360 * insertion reason; it's a generic catch-all term meaning "The start tag for
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361 * this node did not appear in the document source".
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362 */
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363 GUMBO_INSERTION_BY_PARSER = 1 << 0,
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364
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parents:
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365 /**
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366 * A flag indicating that the end tag for this node did not appear in the
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367 * document source. Note that in some cases, you can still have
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368 * parser-inserted nodes with an explicit end tag: for example, "Text</html>"
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369 * has GUMBO_INSERTED_BY_PARSER set on the <html> node, but
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370 * GUMBO_INSERTED_END_TAG_IMPLICITLY is unset, as the </html> tag actually
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371 * exists. This flag will be set only if the end tag is completely missing;
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372 * in some cases, the end tag may be misplaced (eg. a </body> tag with text
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373 * afterwards), which will leave this flag unset and require clients to
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parents:
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374 * inspect the parse errors for that case.
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parents:
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375 */
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diff changeset
376 GUMBO_INSERTION_IMPLICIT_END_TAG = 1 << 1,
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parents:
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377
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378 // Value 1 << 2 was for a flag that has since been removed.
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379
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diff changeset
380 /**
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diff changeset
381 * A flag for nodes that are inserted because their presence is implied by
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382 * other tags, eg. <html>, <head>, <body>, <tbody>, etc.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
383 */
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parents:
diff changeset
384 GUMBO_INSERTION_IMPLIED = 1 << 3,
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parents:
diff changeset
385
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
386 /**
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diff changeset
387 * A flag for nodes that are converted from their end tag equivalents. For
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
388 * example, </p> when no paragraph is open implies that the parser should
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
389 * create a <p> tag and immediately close it, while </br> means the same thing
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
390 * as <br>.
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
391 */
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
392 GUMBO_INSERTION_CONVERTED_FROM_END_TAG = 1 << 4,
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parents:
diff changeset
393
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parents:
diff changeset
394 /** A flag for nodes that are converted from the parse of an <isindex> tag. */
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parents:
diff changeset
395 GUMBO_INSERTION_FROM_ISINDEX = 1 << 5,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
396
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
397 /** A flag for <image> tags that are rewritten as <img>. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
398 GUMBO_INSERTION_FROM_IMAGE = 1 << 6,
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
399
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
400 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
401 * A flag for nodes that are cloned as a result of the reconstruction of
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
402 * active formatting elements. This is set only on the clone; the initial
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
403 * portion of the formatting run is a NORMAL node with an IMPLICIT_END_TAG.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
404 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
405 GUMBO_INSERTION_RECONSTRUCTED_FORMATTING_ELEMENT = 1 << 7,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
406
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
407 /** A flag for nodes that are cloned by the adoption agency algorithm. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
408 GUMBO_INSERTION_ADOPTION_AGENCY_CLONED = 1 << 8,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
409
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
410 /** A flag for nodes that are moved by the adoption agency algorithm. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
411 GUMBO_INSERTION_ADOPTION_AGENCY_MOVED = 1 << 9,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
412
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
413 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
414 * A flag for nodes that have been foster-parented out of a table (or
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
415 * should've been foster-parented, if verbatim mode is set).
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
416 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
417 GUMBO_INSERTION_FOSTER_PARENTED = 1 << 10,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
418 } GumboParseFlags;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
419
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
420 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
421 * Information specific to document nodes.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
422 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
423 typedef struct {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
424 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
425 * An array of GumboNodes, containing the children of this element. This will
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
426 * normally consist of the <html> element and any comment nodes found.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
427 * Pointers are owned.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
428 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
429 GumboVector /* GumboNode* */ children;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
430
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
431 // True if there was an explicit doctype token as opposed to it being omitted.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
432 bool has_doctype;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
433
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
434 // Fields from the doctype token, copied verbatim.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
435 const char* name;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
436 const char* public_identifier;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
437 const char* system_identifier;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
438
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
439 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
440 * Whether or not the document is in QuirksMode, as determined by the values
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
441 * in the GumboTokenDocType template.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
442 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
443 GumboQuirksModeEnum doc_type_quirks_mode;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
444 } GumboDocument;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
445
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
446 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
447 * The struct used to represent TEXT, CDATA, COMMENT, and WHITESPACE elements.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
448 * This contains just a block of text and its position.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
449 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
450 typedef struct {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
451 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
452 * The text of this node, after entities have been parsed and decoded. For
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
453 * comment/cdata nodes, this does not include the comment delimiters.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
454 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
455 const char* text;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
456
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
457 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
458 * The original text of this node, as a pointer into the original buffer. For
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
459 * comment/cdata nodes, this includes the comment delimiters.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
460 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
461 GumboStringPiece original_text;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
462
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
463 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
464 * The starting position of this node. This corresponds to the position of
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
465 * original_text, before entities are decoded.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
466 * */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
467 GumboSourcePosition start_pos;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
468 } GumboText;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
469
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
470 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
471 * The struct used to represent all HTML elements. This contains information
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
472 * about the tag, attributes, and child nodes.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
473 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
474 typedef struct {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
475 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
476 * An array of GumboNodes, containing the children of this element. Pointers
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
477 * are owned.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
478 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
479 GumboVector /* GumboNode* */ children;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
480
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
481 /** The GumboTag enum for this element. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
482 GumboTag tag;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
483
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
484 /** The GumboNamespaceEnum for this element. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
485 GumboNamespaceEnum tag_namespace;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
486
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
487 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
488 * A GumboStringPiece pointing to the original tag text for this element,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
489 * pointing directly into the source buffer. If the tag was inserted
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
490 * algorithmically (for example, <head> or <tbody> insertion), this will be a
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
491 * zero-length string.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
492 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
493 GumboStringPiece original_tag;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
494
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
495 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
496 * A GumboStringPiece pointing to the original end tag text for this element.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
497 * If the end tag was inserted algorithmically, (for example, closing a
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
498 * self-closing tag), this will be a zero-length string.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
499 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
500 GumboStringPiece original_end_tag;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
501
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
502 /** The source position for the start of the start tag. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
503 GumboSourcePosition start_pos;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
504
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
505 /** The source position for the start of the end tag. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
506 GumboSourcePosition end_pos;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
507
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
508 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
509 * An array of GumboAttributes, containing the attributes for this tag in the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
510 * order that they were parsed. Pointers are owned.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
511 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
512 GumboVector /* GumboAttribute* */ attributes;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
513 } GumboElement;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
514
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
515 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
516 * A supertype for GumboElement and GumboText, so that we can include one
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
517 * generic type in lists of children and cast as necessary to subtypes.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
518 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
519 struct GumboInternalNode {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
520 /** The type of node that this is. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
521 GumboNodeType type;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
522
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
523 /** Pointer back to parent node. Not owned. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
524 GumboNode* parent;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
525
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
526 /** The index within the parent's children vector of this node. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
527 size_t index_within_parent;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
528
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
529 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
530 * A bitvector of flags containing information about why this element was
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
531 * inserted into the parse tree, including a variety of special parse
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
532 * situations.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
533 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
534 GumboParseFlags parse_flags;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
535
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
536 /** The actual node data. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
537 union {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
538 GumboDocument document; // For GUMBO_NODE_DOCUMENT.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
539 GumboElement element; // For GUMBO_NODE_ELEMENT.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
540 GumboText text; // For everything else.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
541 } v;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
542 };
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
543
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
544 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
545 * The type for an allocator function. Takes the 'userdata' member of the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
546 * GumboParser struct as its first argument. Semantics should be the same as
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
547 * malloc, i.e. return a block of size_t bytes on success or NULL on failure.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
548 * Allocating a block of 0 bytes behaves as per malloc.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
549 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
550 // TODO(jdtang): Add checks throughout the codebase for out-of-memory condition.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
551 typedef void* (*GumboAllocatorFunction)(void* userdata, size_t size);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
552
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
553 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
554 * The type for a deallocator function. Takes the 'userdata' member of the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
555 * GumboParser struct as its first argument.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
556 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
557 typedef void (*GumboDeallocatorFunction)(void* userdata, void* ptr);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
558
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
559 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
560 * Input struct containing configuration options for the parser.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
561 * These let you specify alternate memory managers, provide different error
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
562 * handling, etc.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
563 * Use kGumboDefaultOptions for sensible defaults, and only set what you need.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
564 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
565 typedef struct GumboInternalOptions {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
566 /** A memory allocator function. Default: malloc. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
567 GumboAllocatorFunction allocator;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
568
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
569 /** A memory deallocator function. Default: free. */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
570 GumboDeallocatorFunction deallocator;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
571
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
572 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
573 * An opaque object that's passed in as the first argument to all callbacks
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
574 * used by this library. Default: NULL.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
575 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
576 void* userdata;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
577
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
578 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
579 * The tab-stop size, for computing positions in source code that uses tabs.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
580 * Default: 8.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
581 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
582 int tab_stop;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
583
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
584 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
585 * Whether or not to stop parsing when the first error is encountered.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
586 * Default: false.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
587 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
588 bool stop_on_first_error;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
589
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
590 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
591 * The maximum number of errors before the parser stops recording them. This
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
592 * is provided so that if the page is totally borked, we don't completely fill
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
593 * up the errors vector and exhaust memory with useless redundant errors. Set
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
594 * to -1 to disable the limit.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
595 * Default: -1
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
596 */
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
597 int max_errors;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
598
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
599 /**
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
600 * The fragment context for parsing:
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
601 * https://html.spec.whatwg.org/multipage/syntax.html#parsing-html-fragments
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
602 *
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
603 * If GUMBO_TAG_LAST is passed here, it is assumed to be "no fragment", i.e.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
604 * the regular parsing algorithm. Otherwise, pass the tag enum for the
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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605 * intended parent of the parsed fragment. We use just the tag enum rather
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606 * than a full node because that's enough to set all the parsing context we
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607 * need, and it provides some additional flexibility for client code to act as
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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608 * if parsing a fragment even when a full HTML tree isn't available.
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609 *
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610 * Default: GUMBO_TAG_LAST
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611 */
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612 GumboTag fragment_context;
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613
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614 /**
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615 * The namespace for the fragment context. This lets client code
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616 * differentiate between, say, parsing a <title> tag in SVG vs. parsing it in
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617 * HTML.
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618 * Default: GUMBO_NAMESPACE_HTML
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619 */
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620 GumboNamespaceEnum fragment_namespace;
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621 } GumboOptions;
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622
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623 /** Default options struct; use this with gumbo_parse_with_options. */
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624 extern const GumboOptions kGumboDefaultOptions;
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625
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626 /** The output struct containing the results of the parse. */
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627 typedef struct GumboInternalOutput {
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628 /**
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629 * Pointer to the document node. This is a GumboNode of type NODE_DOCUMENT
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630 * that contains the entire document as its child.
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631 */
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632 GumboNode* document;
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633
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634 /**
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635 * Pointer to the root node. This the <html> tag that forms the root of the
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636 * document.
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637 */
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638 GumboNode* root;
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639
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640 /**
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diff changeset
641 * A list of errors that occurred during the parse.
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parents:
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642 * NOTE: In version 1.0 of this library, the API for errors hasn't been fully
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643 * fleshed out and may change in the future. For this reason, the GumboError
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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644 * header isn't part of the public API. Contact us if you need errors
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645 * reported so we can work out something appropriate for your use-case.
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parents:
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646 */
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647 GumboVector /* GumboError */ errors;
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648 } GumboOutput;
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parents:
diff changeset
649
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parents:
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650 /**
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651 * Parses a buffer of UTF8 text into an GumboNode parse tree. The buffer must
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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652 * live at least as long as the parse tree, as some fields (eg. original_text)
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653 * point directly into the original buffer.
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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654 *
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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655 * This doesn't support buffers longer than 4 gigabytes.
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656 */
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657 GumboOutput* gumbo_parse(const char* buffer);
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parents:
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658
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Franz Glasner <fzglas.hg@dom66.de>
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659 /**
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660 * Extended version of gumbo_parse that takes an explicit options structure,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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661 * buffer, and length.
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Franz Glasner <fzglas.hg@dom66.de>
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662 */
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663 GumboOutput* gumbo_parse_with_options(
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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664 const GumboOptions* options, const char* buffer, size_t buffer_length);
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parents:
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665
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parents:
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666 /** Release the memory used for the parse tree & parse errors. */
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Franz Glasner <fzglas.hg@dom66.de>
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667 void gumbo_destroy_output(const GumboOptions* options, GumboOutput* output);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
diff changeset
668
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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parents:
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669 #ifdef __cplusplus
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670 }
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Franz Glasner <fzglas.hg@dom66.de>
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671 #endif
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parents:
diff changeset
672
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
673 #endif // GUMBO_GUMBO_H_