Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/thirdparty/extract/src/text.c @ 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 #include "text.h"
2
3 #include "astring.h"
4 #include "outf.h"
5
6 #include <assert.h>
7 #include <errno.h>
8 #include <string.h>
9
10
11 int
12 extract_content_insert(
13 extract_alloc_t *alloc,
14 const char *original,
15 const char *single_name,
16 const char *mid_begin_name,
17 const char *mid_end_name,
18 extract_astring_t *contentss,
19 int contentss_num,
20 char **o_out)
21 {
22 int e = -1;
23 const char *mid_begin = NULL;
24 const char *mid_end = NULL;
25 const char *single = NULL;
26 extract_astring_t out;
27 extract_astring_init(&out);
28
29 assert(single_name || mid_begin_name || mid_end_name);
30
31 if (single_name) single = strstr(original, single_name);
32
33 if (single)
34 {
35 outf("Have found single_name='%s', using in preference to mid_begin_name=%s mid_end_name=%s",
36 single_name,
37 mid_begin_name,
38 mid_end_name);
39 mid_begin = single;
40 mid_end = single + strlen(single_name);
41 }
42 else
43 {
44 if (mid_begin_name) {
45 mid_begin = strstr(original, mid_begin_name);
46 if (!mid_begin) {
47 outf("error: could not find '%s' in odt content", mid_begin_name);
48 errno = ESRCH;
49 goto end;
50 }
51 mid_begin += strlen(mid_begin_name);
52 }
53 if (mid_end_name) {
54 mid_end = strstr(mid_begin ? mid_begin : original, mid_end_name);
55 if (!mid_end) {
56 outf("error: could not find '%s' in odt content", mid_end_name);
57 e = -1;
58 errno = ESRCH;
59 goto end;
60 }
61 }
62 if (!mid_begin) {
63 mid_begin = mid_end;
64 }
65 if (!mid_end) {
66 mid_end = mid_begin;
67 }
68 }
69
70 if (extract_astring_catl(alloc, &out, original, mid_begin - original)) goto end;
71 {
72 int i;
73 for (i=0; i<contentss_num; ++i) {
74 if (extract_astring_catl(alloc, &out, contentss[i].chars, contentss[i].chars_num)) goto end;
75 }
76 }
77 assert( mid_end);
78 /* As per docs, at least one of <single_name>, <mid_begin_name> and
79 <mid_end_name> is non-null, and this ensures that mid_end must not be null.
80 */
81 /* coverity[var_deref_model] */
82 if (extract_astring_cat(alloc, &out, mid_end)) goto end;
83
84 *o_out = out.chars;
85 out.chars = NULL;
86
87 e = 0;
88 end:
89
90 if (e) {
91 extract_astring_free(alloc, &out);
92 *o_out = NULL;
93 }
94
95 return e;
96 }