annotate mupdf-source/thirdparty/extract/src/xml.h @ 7:5ab937c03c27

Apply full RELRO to all generated binaries. Also strip the generated binaries.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 16 Sep 2025 12:37:32 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #ifndef ARTIFEX_EXTRACT_XML
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2 #define ARTIFEX_EXTRACT_XML
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4 /* Only for internal use by extract code. */
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6 #include "extract/buffer.h"
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8 #include "astring.h"
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11 /* Things for representing XML. */
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13 typedef struct {
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14 char *name;
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15 char *value;
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16 } extract_xml_attribute_t;
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18 /* Represents a single <...> XML tag plus trailing text. */
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19 typedef struct {
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20 char *name;
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21 extract_xml_attribute_t *attributes;
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22 int attributes_num;
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23 extract_astring_t text;
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24 } extract_xml_tag_t;
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27 /* Initialises tag. Will cause leak if tag contains data - in this case call
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28 extract_xml_tag_free(). */
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29 void extract_xml_tag_init(extract_xml_tag_t *tag);
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31 /* Frees tag and then calls extract_xml_tag_init(). */
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32 void extract_xml_tag_free(extract_alloc_t *alloc, extract_xml_tag_t *tag);
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35 /* extract_xml_pparse_*(): simple XML 'pull' parser.
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37 If <first_line> is not NULL, we require that <buffer> starts with the specified
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38 text. Usually one would include a final newline in <first_line>.
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40 extract_xml_pparse_init() merely consumes the initial '<'. Thereafter
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41 extract_xml_pparse_next() consumes the next '<' before returning the previous
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42 tag. */
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44 /* Opens specified file.
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46 If first_line is not NULL, we check that it matches the first line in the file.
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48 Returns -1 with errno=ESRCH if we fail to read the first '<' due to EOF.
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49 */
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50 int extract_xml_pparse_init(extract_alloc_t *alloc, extract_buffer_t *buffer, const char *first_line);
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54 /* Returns the next XML tag.
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56 Returns 0 with *out containing next tag; or -1 with errno set if error; or +1
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57 with errno=ESRCH if EOF.
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59 If we return 0, we guarantee that out->name points to valid string and that
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60 each item in out->attributes has similarly valid name and value members.
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62 *out is initially passed to extract_xml_tag_free(), so *out must have been
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63 initialised, e.g. by by extract_xml_tag_init(). */
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64 int extract_xml_pparse_next(extract_buffer_t *buffer, extract_xml_tag_t *out);
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67 /* Returns pointer to value of specified attribute, or NULL if not found. */
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68 char *extract_xml_tag_attributes_find(extract_xml_tag_t *tag, const char *name);
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70 /* Finds float value of specified attribute, returning error if not found or
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71 there is trailing text. */
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72 int extract_xml_tag_attributes_find_float(
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73 extract_xml_tag_t *tag,
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74 const char *name,
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75 float *o_out);
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77 /* Finds double value of specified attribute, returning error if not found or there is
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78 trailing text. */
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79 int extract_xml_tag_attributes_find_double(
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80 extract_xml_tag_t *tag,
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81 const char *name,
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82 double *o_out);
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85 /* Next few functions write to out-param and return zero on success, else
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86 return -1 with errno set.
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88 An error is returned if value is out of range or there is any trailing text. */
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90 int extract_xml_str_to_llint(const char *text, long long *o_out);
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92 int extract_xml_str_to_ullint(const char *text, unsigned long long *o_out);
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94 int extract_xml_str_to_int(const char *text, int *o_out);
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96 int extract_xml_str_to_uint(const char *text, unsigned *o_out);
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98 int extract_xml_str_to_size(const char *text, size_t *o_out);
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100 int extract_xml_str_to_double(const char *text, double *o_out);
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101
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102 int extract_xml_str_to_float(const char *text, float *o_out);
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103
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104
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105 /* Finds int value of specified attribute, returning error if not found. */
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106 int extract_xml_tag_attributes_find_int(
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107 extract_xml_tag_t *tag,
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108 const char *name,
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109 int *o_out);
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110
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111 /* Finds unsigned int value of specified attribute, returning error if not
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112 found. */
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113 int extract_xml_tag_attributes_find_uint(
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114 extract_xml_tag_t *tag,
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115 const char *name,
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116 unsigned *o_out);
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117
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118 /* Finds unsigned int value of specified attribute, returning error if not
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119 found. */
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120 int extract_xml_tag_attributes_find_size(
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121 extract_xml_tag_t *tag,
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122 const char *name,
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123 size_t *o_out);
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124
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125 #endif