This source file includes following definitions.
- mcdiffview_dialog_search
- mcdiffview_do_search_backward
- mcdiffview_do_search_forward
- mcdiffview_do_search
- dview_search_cmd
- dview_continue_search_cmd
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27 #include <config.h>
28
29 #include <stdio.h>
30
31 #include "lib/global.h"
32 #include "lib/strutil.h"
33 #include "lib/tty/key.h"
34 #include "lib/widget.h"
35 #ifdef HAVE_CHARSET
36 #include "lib/charsets.h"
37 #endif
38
39 #include "src/history.h"
40
41 #include "internal.h"
42
43
44
45
46
47
48
49 typedef struct mcdiffview_search_options_struct
50 {
51 mc_search_type_t type;
52 gboolean case_sens;
53 gboolean backwards;
54 gboolean whole_words;
55 gboolean all_codepages;
56 } mcdiffview_search_options_t;
57
58
59
60 static mcdiffview_search_options_t mcdiffview_search_options = {
61 .type = MC_SEARCH_T_NORMAL,
62 .case_sens = FALSE,
63 .backwards = FALSE,
64 .whole_words = FALSE,
65 .all_codepages = FALSE,
66 };
67
68
69
70
71
72 static gboolean
73 mcdiffview_dialog_search (WDiff * dview)
74 {
75 char *exp = NULL;
76 int qd_result;
77 size_t num_of_types = 0;
78 gchar **list_of_types;
79
80 list_of_types = mc_search_get_types_strings_array (&num_of_types);
81
82 {
83 quick_widget_t quick_widgets[] = {
84
85 QUICK_LABELED_INPUT (N_("Enter search string:"), input_label_above, INPUT_LAST_TEXT,
86 MC_HISTORY_SHARED_SEARCH, &exp, NULL, FALSE, FALSE, INPUT_COMPLETE_NONE),
87 QUICK_SEPARATOR (TRUE),
88 QUICK_START_COLUMNS,
89 QUICK_RADIO (num_of_types, (const char **) list_of_types,
90 (int *) &mcdiffview_search_options.type, NULL),
91 QUICK_NEXT_COLUMN,
92 QUICK_CHECKBOX (N_("Cas&e sensitive"), &mcdiffview_search_options.case_sens, NULL),
93 QUICK_CHECKBOX (N_("&Backwards"), &mcdiffview_search_options.backwards, NULL),
94 QUICK_CHECKBOX (N_("&Whole words"), &mcdiffview_search_options.whole_words, NULL),
95 #ifdef HAVE_CHARSET
96 QUICK_CHECKBOX (N_("&All charsets"), &mcdiffview_search_options.all_codepages, NULL),
97 #endif
98 QUICK_STOP_COLUMNS,
99 QUICK_BUTTONS_OK_CANCEL,
100 QUICK_END
101
102 };
103
104 quick_dialog_t qdlg = {
105 -1, -1, 58,
106 N_("Search"), "[Input Line Keys]",
107 quick_widgets, NULL, NULL
108 };
109
110 qd_result = quick_dialog (&qdlg);
111 }
112
113 g_strfreev (list_of_types);
114
115 if ((qd_result == B_CANCEL) || (exp == NULL) || (exp[0] == '\0'))
116 {
117 g_free (exp);
118 return FALSE;
119 }
120
121 #ifdef HAVE_CHARSET
122 {
123 GString *tmp;
124
125 tmp = str_convert_to_input (exp);
126 g_free (exp);
127 exp = g_string_free (tmp, FALSE);
128 }
129 #endif
130
131 g_free (dview->search.last_string);
132 dview->search.last_string = exp;
133
134 return TRUE;
135 }
136
137
138
139 static gboolean
140 mcdiffview_do_search_backward (WDiff * dview)
141 {
142 ssize_t ind;
143
144 if (dview->search.last_accessed_num_line < 0)
145 {
146 dview->search.last_accessed_num_line = -1;
147 return FALSE;
148 }
149
150 if ((size_t) dview->search.last_accessed_num_line >= dview->a[dview->ord]->len)
151 dview->search.last_accessed_num_line = (ssize_t) dview->a[dview->ord]->len;
152
153 for (ind = --dview->search.last_accessed_num_line; ind >= 0; ind--)
154 {
155 DIFFLN *p;
156
157 p = (DIFFLN *) & g_array_index (dview->a[dview->ord], DIFFLN, (size_t) ind);
158 if (p->u.len == 0)
159 continue;
160
161 if (mc_search_run (dview->search.handle, p->p, 0, p->u.len, NULL))
162 {
163 dview->skip_rows = dview->search.last_found_line =
164 dview->search.last_accessed_num_line = ind;
165 return TRUE;
166 }
167 }
168 return FALSE;
169 }
170
171
172
173
174 static gboolean
175 mcdiffview_do_search_forward (WDiff * dview)
176 {
177 size_t ind;
178
179 if (dview->search.last_accessed_num_line < 0)
180 dview->search.last_accessed_num_line = -1;
181 else if ((size_t) dview->search.last_accessed_num_line >= dview->a[dview->ord]->len)
182 {
183 dview->search.last_accessed_num_line = (ssize_t) dview->a[dview->ord]->len;
184 return FALSE;
185 }
186
187 for (ind = (size_t)++ dview->search.last_accessed_num_line; ind < dview->a[dview->ord]->len;
188 ind++)
189 {
190 DIFFLN *p;
191
192 p = (DIFFLN *) & g_array_index (dview->a[dview->ord], DIFFLN, ind);
193 if (p->u.len == 0)
194 continue;
195
196 if (mc_search_run (dview->search.handle, p->p, 0, p->u.len, NULL))
197 {
198 dview->skip_rows = dview->search.last_found_line =
199 dview->search.last_accessed_num_line = (ssize_t) ind;
200 return TRUE;
201 }
202 }
203 return FALSE;
204 }
205
206
207
208 static void
209 mcdiffview_do_search (WDiff * dview)
210 {
211 gboolean present_result = FALSE;
212
213 tty_enable_interrupt_key ();
214
215 if (mcdiffview_search_options.backwards)
216 {
217 present_result = mcdiffview_do_search_backward (dview);
218 }
219 else
220 {
221 present_result = mcdiffview_do_search_forward (dview);
222 }
223
224 tty_disable_interrupt_key ();
225
226 if (!present_result)
227 {
228 dview->search.last_found_line = -1;
229 query_dialog (_("Search"), _(STR_E_NOTFOUND), D_NORMAL, 1, _("&Dismiss"));
230 }
231 }
232
233
234
235
236
237 void
238 dview_search_cmd (WDiff * dview)
239 {
240 if (dview->dsrc != DATA_SRC_MEM)
241 {
242 error_dialog (_("Search"), _("Search is disabled"));
243 return;
244 }
245
246 if (!mcdiffview_dialog_search (dview))
247 return;
248
249 mc_search_free (dview->search.handle);
250 #ifdef HAVE_CHARSET
251 dview->search.handle = mc_search_new (dview->search.last_string, cp_source);
252 #else
253 dview->search.handle = mc_search_new (dview->search.last_string, NULL);
254 #endif
255
256 if (dview->search.handle == NULL)
257 return;
258
259 dview->search.handle->search_type = mcdiffview_search_options.type;
260 #ifdef HAVE_CHARSET
261 dview->search.handle->is_all_charsets = mcdiffview_search_options.all_codepages;
262 #endif
263 dview->search.handle->is_case_sensitive = mcdiffview_search_options.case_sens;
264 dview->search.handle->whole_words = mcdiffview_search_options.whole_words;
265
266 mcdiffview_do_search (dview);
267 }
268
269
270
271 void
272 dview_continue_search_cmd (WDiff * dview)
273 {
274 if (dview->dsrc != DATA_SRC_MEM)
275 error_dialog (_("Search"), _("Search is disabled"));
276 else if (dview->search.handle == NULL)
277 dview_search_cmd (dview);
278 else
279 mcdiffview_do_search (dview);
280 }
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