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comparison mupdf-source/thirdparty/extract/src/astring.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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1:1d09e1dec1d9 2:b50eed0cc0ef
1 #ifndef ARTIFEX_EXTRACT_AUTOSTRING_XML
2 #define ARTIFEX_EXTRACT_AUTOSTRING_XML
3
4 #include "extract/alloc.h"
5
6 /* Only for internal use by extract code. */
7
8 /* A simple string struct that reallocs as required. */
9 typedef struct
10 {
11 char *chars; /* NULL or zero-terminated. */
12 size_t chars_num; /* Length of string pointed to by .chars. */
13 } extract_astring_t;
14
15 /* Initialises <string> so it is ready for use. */
16 void extract_astring_init(extract_astring_t *string);
17
18 /* Frees any existing data and returns with <string> ready for use as if by
19 extract_astring_init(). */
20 void extract_astring_free(extract_alloc_t *alloc, extract_astring_t *string);
21
22 int extract_astring_catl(extract_alloc_t *alloc, extract_astring_t *string, const char *s, size_t s_len);
23
24 int extract_astring_catc(extract_alloc_t *alloc, extract_astring_t *string, char c);
25
26 int extract_astring_cat(extract_alloc_t *alloc, extract_astring_t *string, const char *s);
27 int extract_astring_catf(extract_alloc_t *alloc, extract_astring_t *string, const char *format, ...);
28
29 /* Removes last <len> chars. */
30 int extract_astring_truncate(extract_astring_t *content, int len);
31
32 /* Removes last char if it is <c>. */
33 int extract_astring_char_truncate_if(extract_astring_t *content, char c);
34
35 /* Appends specified character using XML escapes as necessary. */
36 int extract_astring_cat_xmlc(extract_alloc_t *alloc, extract_astring_t *string, int c);
37
38 /* Appends unicode character <c> to <string>.
39 xml:
40 If true, we use XML escape sequences for special characters
41 such as '<' and unicode values above 127. Otherwise we encode
42 as utf8.
43 ascii_ligatures: if true we expand ligatures to "fl", "fi" etc.
44 ascii_dash:
45 If true we replace unicode dash characters with '-'.
46 ascii_apostrophe:
47 If true we replace unicode apostrophe with ascii single-quote "'".
48 */
49 int extract_astring_catc_unicode(extract_alloc_t *alloc,
50 extract_astring_t *string,
51 int c,
52 int xml,
53 int ascii_ligatures,
54 int ascii_dash,
55 int ascii_apostrophe);
56
57 /* Appends specific unicode character, using XML escape sequences as required. */
58 int extract_astring_catc_unicode_xml(extract_alloc_t *alloc, extract_astring_t *string, int c);
59
60 #endif