1 /* SPDX-License-Identifier: Zlib */
2
3 #define N_SEARCH_RESULTS 512
4
5 #include <glib.h>
6
7 #include "plugin.h"
8 #include "utils.h"
9
10 girara_list_t*
pdf_page_search_text(zathura_page_t * page,void * data,const char * text,zathura_error_t * error)11 pdf_page_search_text(zathura_page_t* page, void* data, const char* text, zathura_error_t* error)
12 {
13 mupdf_page_t* mupdf_page = data;
14
15 if (page == NULL || text == NULL) {
16 if (error != NULL) {
17 *error = ZATHURA_ERROR_INVALID_ARGUMENTS;
18 }
19 goto error_ret;
20 }
21
22 zathura_document_t* document = zathura_page_get_document(page);
23 if (document == NULL || mupdf_page == NULL || mupdf_page->text == NULL) {
24 goto error_ret;
25 }
26
27 mupdf_document_t* mupdf_document = zathura_document_get_data(document);;
28
29 girara_list_t* list = girara_list_new2(g_free);
30 if (list == NULL) {
31 if (error != NULL) {
32 *error = ZATHURA_ERROR_OUT_OF_MEMORY;
33 }
34 goto error_free;
35 }
36
37 /* extract text */
38 if (mupdf_page->extracted_text == false) {
39 mupdf_page_extract_text(mupdf_document, mupdf_page);
40 }
41
42 fz_quad* hit_bbox = fz_malloc_array(mupdf_page->ctx, N_SEARCH_RESULTS, fz_quad);
43 int num_results = fz_search_stext_page(mupdf_page->ctx, mupdf_page->text,
44 text, hit_bbox, N_SEARCH_RESULTS);
45
46 fz_rect r;
47 for (int i = 0; i < num_results; i++) {
48 zathura_rectangle_t* rectangle = g_malloc0(sizeof(zathura_rectangle_t));
49
50 r = fz_rect_from_quad(hit_bbox[i]);
51 rectangle->x1 = r.x0;
52 rectangle->x2 = r.x1;
53 rectangle->y1 = r.y0;
54 rectangle->y2 = r.y1;
55
56 girara_list_append(list, rectangle);
57 }
58
59 fz_free(mupdf_page->ctx, hit_bbox);
60
61 return list;
62
63 error_free:
64
65 if (list != NULL ) {
66 girara_list_free(list);
67 }
68
69 error_ret:
70
71 if (error != NULL && *error == ZATHURA_ERROR_OK) {
72 *error = ZATHURA_ERROR_UNKNOWN;
73 }
74
75 return NULL;
76 }
77
78