Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/gumbo-parser/src/char_ref.h @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 // Copyright 2011 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 // Internal header for character reference handling; this should not be exposed
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18 // transitively by any public API header. This is why the functions aren't
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19 // namespaced.
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21 #ifndef GUMBO_CHAR_REF_H_
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22 #define GUMBO_CHAR_REF_H_
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24 #include <stdbool.h>
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26 #ifdef __cplusplus
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27 extern "C" {
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28 #endif
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30 struct GumboInternalParser;
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31 struct GumboInternalUtf8Iterator;
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33 // Value that indicates no character was produced.
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34 extern const int kGumboNoChar;
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36 // Certain named character references generate two codepoints, not one, and so
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37 // the consume_char_ref subroutine needs to return this instead of an int. The
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38 // first field will be kGumboNoChar if no character reference was found; the
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39 // second field will be kGumboNoChar if that is the case or if the character
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40 // reference returns only a single codepoint.
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41 typedef struct {
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42 int first;
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43 int second;
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44 } OneOrTwoCodepoints;
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46 // Implements the "consume a character reference" section of the spec.
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47 // This reads in characters from the input as necessary, and fills in a
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48 // OneOrTwoCodepoints struct containing the characters read. It may add parse
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49 // errors to the GumboParser's errors vector, if the spec calls for it. Pass a
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50 // space for the "additional allowed char" when the spec says "with no
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51 // additional allowed char". Returns false on parse error, true otherwise.
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52 bool consume_char_ref(struct GumboInternalParser* parser,
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53 struct GumboInternalUtf8Iterator* input, int additional_allowed_char,
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54 bool is_in_attribute, OneOrTwoCodepoints* output);
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56 #ifdef __cplusplus
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57 }
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58 #endif
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60 #endif // GUMBO_CHAR_REF_H_