Makefile.common- Makefile.dependencies
- calltips.c
- calltips.h
- colorprofile.h
- editorconfig.c
- editorconfig.h
- file.c
- file.h
- filter.c
- filter.h
- help.c
- help.h
- help_data.h
- help_topic.h
- highlight.c
- highlight.h
- highlightData.c
- highlightData.h
- interpret.c
- interpret.h
- linkdate.c
- macro.c
- macro.h
- menu.c
- menu.h
- n.bm
- nc.c
- nedit.bm
- nedit.c
- nedit.h
- nedit_options_file.opt
- parse.h
- parse.y
- parse_noyacc.c
- preferences.c
- preferences.h
- rangeset.c
- rangeset.h
- regexConvert.c
- regexConvert.h
- regularExp.c
- regularExp.h
- search.c
- search.h
- selection.c
- selection.h
- server.c
- server.h
- server_common.c
- server_common.h
- shell.c
- shell.h
- shift.c
- shift.h
- smartIndent.c
- smartIndent.h
- tags.c
- tags.h
- text.c
- text.h
- textBuf.c
- textBuf.h
- textDisp.c
- textDisp.h
- textDrag.c
- textDrag.h
- textP.h
- textSel.c
- textSel.h
- undo.c
- undo.h
- userCmds.c
- userCmds.h
- window.c
- window.h
- windowTitle.c
- windowTitle.h
1 /*******************************************************************************
2 * *
3 * textBuf.h -- Nirvana Editor Text Buffer Header File *
4 * *
5 * Copyright 2003 The NEdit Developers *
6 * *
7 * This is free software; you can redistribute it and/or modify it under the *
8 * terms of the GNU General Public License as published by the Free Software *
9 * Foundation; either version 2 of the License, or (at your option) any later *
10 * version. In addition, you may distribute versions of this program linked to *
11 * Motif or Open Motif. See README for details. *
12 * *
13 * This software is distributed in the hope that it will be useful, but WITHOUT *
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for *
16 * more details. *
17 * *
18 * You should have received a copy of the GNU General Public License along with *
19 * software; if not, write to the Free Software Foundation, Inc., 59 Temple *
20 * Place, Suite 330, Boston, MA 02111-1307 USA *
21 * *
22 * Nirvana Text Editor *
23 * July 31, 2001 *
24 * *
25 *******************************************************************************/
26
27 #ifndef NEDIT_TEXTBUF_H_INCLUDED
28 #define NEDIT_TEXTBUF_H_INCLUDED
29
30 #include <fontconfig/fontconfig.h>
31 #include <wchar.h>
32
33 /* Maximum length in characters of a tab or control character expansion
34 of a single buffer character */
35 #define MAX_EXP_CHAR_LEN 256
36
37 typedef struct _RangesetTable RangesetTable;
38
39 typedef struct {
40 char selected; /* True if the selection is active */
41 char rectangular; /* True if the selection is rectangular */
42 char zeroWidth; /* Width 0 selections aren't "real" selections, but
43 they can be useful when creating rectangular
44 selections from the keyboard. */
45 int start; /* Pos. of start of selection, or if rectangular
46 start of line containing it. */
47 int end; /* Pos. of end of selection, or if rectangular
48 end of line containing it. */
49 int rectStart; /* Indent of left edge of rect. selection */
50 int rectEnd; /* Indent of right edge of rect. selection */
51 } selection;
52
53 typedef void (*bufModifyCallbackProc)(int pos, int nInserted, int nDeleted,
54 int nRestyled, const char *deletedText, void *cbArg);
55 typedef void (*bufPreDeleteCallbackProc)(int pos, int nDeleted, void *cbArg);
56 typedef void (*bufBeginModifyCallbackProc)(void *cbArg);
57 typedef void (*bufEndModifyCallbackProc)(void *cbArg);
58
59 typedef struct _textBuffer {
60 int length; /* length of the text in the buffer (the length
61 of the buffer itself must be calculated:
62 gapEnd - gapStart + length) */
63 char *buf; /* allocated memory where the text is stored */
64 int gapStart; /* points to the first character of the gap */
65 int gapEnd; /* points to the first char after the gap */
66 selection primary; /* highlighted areas */
67 selection secondary;
68 selection highlight;
69 int tabDist; /* equiv. number of characters in a tab */
70 int useTabs; /* True if buffer routines are allowed to use
71 tabs for padding in rectangular operations */
72 int nModifyProcs; /* number of modify-redisplay procs attached */
73 bufModifyCallbackProc /* procedures to call when buffer is */
74 *modifyProcs; /* modified to redisplay contents */
75 void **cbArgs; /* caller arguments for modifyProcs above */
76 int nPreDeleteProcs; /* number of pre-delete procs attached */
77 bufPreDeleteCallbackProc /* procedure to call before text is deleted */
78 *preDeleteProcs; /* from the buffer; at most one is supported. */
79 void **preDeleteCbArgs; /* caller argument for pre-delete proc above */
80 int nBeginModifyProcs; /* number of begin-modify procs attached */
81 bufBeginModifyCallbackProc /* procedure to call before a batch of */
82 *beginModifyProcs; /* modifications is done. */
83 void **beginModifyCbArgs; /* caller args for begin-modify proc above */
84 int nEndModifyProcs; /* number of end-modify procs attached */
85 bufEndModifyCallbackProc /* procedure to call after a batch of */
86 *endModifyProcs; /* modifications is done. */
87 void **endModifyCbArgs; /* caller args for end-modify proc above */
88 int cursorPosHint; /* hint for reasonable cursor position after
89 a buffer modification operation */
90 char nullSubsChar; /* NEdit is based on C null-terminated strings,
91 so ascii-nul characters must be substituted
92 with something else. This is the else, but
93 of course, things get quite messy when you
94 use it */
95 RangesetTable *rangesetTable;
96 /* current range sets */
97 size_t *ansi_escpos; /* indices of all ansi escape positions */
98 size_t alloc_ansi_escpos; /* ansi_escpos allocation size */
99 size_t num_ansi_escpos; /* number of ansi escape sequences */
100 } textBuffer;
101
102 typedef struct EscSeqStr {
103 char *seq;
104 size_t len;
105 size_t off_orig;
106 size_t off_trans;
107 } EscSeqStr;
108
109 typedef struct EscSeqArray {
110 EscSeqStr *esc;
111 size_t num_esc;
112 char *text;
113 } EscSeqArray;
114
115 textBuffer *BufCreate(void);
116 textBuffer *BufCreatePreallocated(int requestedSize);
117 void BufFree(textBuffer *buf);
118 char *BufGetAll(textBuffer *buf);
119 const char *BufAsString(textBuffer *buf);
120 const char *BufAsStringCleaned(textBuffer *buf, EscSeqArray **esc);
121 void BufReintegrateEscSeq(textBuffer *buf, EscSeqArray *escseq);
122 void BufSetAll(textBuffer *buf, const char *text);
123 char* BufGetRange(const textBuffer* buf, int start, int end);
124 const char* BufGetRange2(const textBuffer* buf, ssize_t start, ssize_t end, char **free_str);
125 char BufGetCharacter(const textBuffer* buf, int pos);
126 wchar_t BufGetCharacterW(const textBuffer *buf, int pos);
127 FcChar32 BufGetCharacter32(const textBuffer* buf, int pos, int *charlen);
128 char *BufGetTextInRect(textBuffer *buf, int start, int end,
129 int rectStart, int rectEnd);
130 void BufBeginModifyBatch(textBuffer *buf);
131 void BufEndModifyBatch(textBuffer *buf);
132 void BufInsert(textBuffer *buf, int pos, const char *text);
133 void BufRemove(textBuffer *buf, int start, int end);
134 void BufReplace(textBuffer *buf, int start, int end, const char *text);
135 void BufCopyFromBuf(textBuffer *fromBuf, textBuffer *toBuf, int fromStart,
136 int fromEnd, int toPos);
137 void BufInsertCol(textBuffer *buf, int column, int startPos, const char *text,
138 int *charsInserted, int *charsDeleted);
139 void BufReplaceRect(textBuffer *buf, int start, int end, int rectStart,
140 int rectEnd, const char *text);
141 void BufRemoveRect(textBuffer *buf, int start, int end, int rectStart,
142 int rectEnd);
143 void BufOverlayRect(textBuffer *buf, int startPos, int rectStart,
144 int rectEnd, const char *text, int *charsInserted, int *charsDeleted);
145 void BufClearRect(textBuffer *buf, int start, int end, int rectStart,
146 int rectEnd);
147 int BufGetTabDistance(textBuffer *buf);
148 void BufSetTabDistance(textBuffer *buf, int tabDist);
149 void BufCheckDisplay(textBuffer *buf, int start, int end);
150 void BufSelect(textBuffer *buf, int start, int end);
151 void BufUnselect(textBuffer *buf);
152 void BufRectSelect(textBuffer *buf, int start, int end, int rectStart,
153 int rectEnd);
154 int BufGetSelectionPos(textBuffer *buf, int *start, int *end,
155 int *isRect, int *rectStart, int *rectEnd);
156 int BufGetEmptySelectionPos(textBuffer *buf, int *start, int *end,
157 int *isRect, int *rectStart, int *rectEnd);
158 char *BufGetSelectionText(textBuffer *buf);
159 void BufRemoveSelected(textBuffer *buf);
160 void BufReplaceSelected(textBuffer *buf, const char *text);
161 void BufSecondarySelect(textBuffer *buf, int start, int end);
162 void BufSecondaryUnselect(textBuffer *buf);
163 void BufSecRectSelect(textBuffer *buf, int start, int end,
164 int rectStart, int rectEnd);
165 int BufGetSecSelectPos(textBuffer *buf, int *start, int *end,
166 int *isRect, int *rectStart, int *rectEnd);
167 char *BufGetSecSelectText(textBuffer *buf);
168 void BufRemoveSecSelect(textBuffer *buf);
169 void BufReplaceSecSelect(textBuffer *buf, const char *text);
170 void BufHighlight(textBuffer *buf, int start, int end);
171 void BufUnhighlight(textBuffer *buf);
172 void BufRectHighlight(textBuffer *buf, int start, int end,
173 int rectStart, int rectEnd);
174 int BufGetHighlightPos(textBuffer *buf, int *start, int *end,
175 int *isRect, int *rectStart, int *rectEnd);
176 void BufAddModifyCB(textBuffer *buf, bufModifyCallbackProc bufModifiedCB,
177 void *cbArg);
178 void BufAddHighPriorityModifyCB(textBuffer *buf, bufModifyCallbackProc bufModifiedCB,
179 void *cbArg);
180 void BufRemoveModifyCB(textBuffer *buf, bufModifyCallbackProc bufModifiedCB,
181 void *cbArg);
182 void BufAddPreDeleteCB(textBuffer *buf, bufPreDeleteCallbackProc bufPreDeleteCB,
183 void *cbArg);
184 void BufRemovePreDeleteCB(textBuffer *buf, bufPreDeleteCallbackProc
185 bufPreDeleteCB, void *cbArg);
186 void BufAddBeginModifyCB(textBuffer *buf, bufBeginModifyCallbackProc bufBeginModifyCB,
187 void *cbArg);
188 void BufRemoveBeginModifyCB(textBuffer *buf, bufBeginModifyCallbackProc
189 bufBeginModifyCB, void *cbArg);
190 void BufAddEndModifyCB(textBuffer *buf, bufEndModifyCallbackProc bufEndModifyCB,
191 void *cbArg);
192 void BufRemoveEndModifyCB(textBuffer *buf, bufEndModifyCallbackProc
193 bufEndModifyCB, void *cbArg);
194 int BufStartOfLine(textBuffer *buf, int pos);
195 int BufEndOfLine(textBuffer *buf, int pos);
196 int BufGetExpandedChar(const textBuffer* buf, int pos, int indent,
197 char* outStr);
198 int BufExpandCharacter(const char *c, int clen, int indent, char *outStr, int tabDist,
199 char nullSubsChar, int *isMB);
200 int BufExpandCharacter4(char c, int indent, FcChar32 *outStr,
201 int tabDist, char nullSubsChar);
202 int BufCharWidth(char c, int indent, int tabDist, char nullSubsChar);
203 int BufCountDispChars(const textBuffer* buf, int lineStartPos,
204 int targetPos);
205 int BufCountForwardDispChars(textBuffer *buf, int lineStartPos, int nChars);
206 int BufCountLines(textBuffer *buf, int startPos, int endPos);
207 int BufCountForwardNLines(const textBuffer* buf, int startPos,
208 unsigned nLines);
209 int BufCountBackwardNLines(textBuffer *buf, int startPos, int nLines);
210 int BufSearchForward(textBuffer *buf, int startPos, const char *searchChars,
211 int *foundPos);
212 int BufSearchBackward(textBuffer *buf, int startPos, const char *searchChars,
213 int *foundPos);
214 int BufSubstituteNullChars(char *string, int length, textBuffer *buf);
215 void BufUnsubstituteNullChars(char *string, textBuffer *buf);
216 int BufCmp(textBuffer * buf, int pos, int len, const char *cmpText);
217
218 void BufEnableAnsiEsc(textBuffer *buf);
219 void BufDisableAnsiEsc(textBuffer *buf);
220 void BufParseEscSeq(textBuffer *buf, size_t pos, size_t nInserted, size_t nDeleted);
221 int BufEscPos2Index(
222 const textBuffer *buf,
223 size_t startIndex,
224 size_t startValue,
225 size_t pos,
226 ssize_t *index,
227 size_t *value);
228
229 int BufCharLen(const textBuffer *buf, int pos);
230 int BufLeftPos(textBuffer *buf, int pos);
231 int BufRightPos(textBuffer *buf, int pos);
232
233 int Utf8ToUcs4(const char *src_orig, FcChar32 *dst, int len);
234 int Ucs4ToUtf8(FcChar32 ucs4, char *dst);
235 int Utf8CharLen(const unsigned char *u);
236
237 #endif /* NEDIT_TEXTBUF_H_INCLUDED */
238