// Scintilla source code edit control
-// Document.cxx - text document that handles notifications, DBCS, styling, words and end of line
-// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
+/** @file Document.cxx
+ ** Text document that handles notifications, DBCS, styling, words and end of line.
+ **/
+// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include "Platform.h"
#include "Scintilla.h"
-#include "SVector.h"
+#include "SplitVector.h"
+#include "Partitioning.h"
+#include "RunStyles.h"
#include "CellBuffer.h"
+#include "CharClassify.h"
+#include "Decoration.h"
#include "Document.h"
+#include "RESearch.h"
+
+#ifdef SCI_NAMESPACE
+using namespace Scintilla;
+#endif
+
+// This is ASCII specific but is safe with chars >= 0x80
+static inline bool isspacechar(unsigned char ch) {
+ return (ch == ' ') || ((ch >= 0x09) && (ch <= 0x0d));
+}
+
+static inline bool IsPunctuation(char ch) {
+ return isascii(ch) && ispunct(ch);
+}
+
+static inline bool IsADigit(char ch) {
+ return isascii(ch) && isdigit(ch);
+}
+
+static inline bool IsLowerCase(char ch) {
+ return isascii(ch) && islower(ch);
+}
+
+static inline bool IsUpperCase(char ch) {
+ return isascii(ch) && isupper(ch);
+}
Document::Document() {
refCount = 0;
dbcsCodePage = 0;
stylingBits = 5;
stylingBitsMask = 0x1F;
- stylingPos = 0;
stylingMask = 0;
- for (int ch = 0; ch < 256; ch++) {
- wordchars[ch] = isalnum(ch) || ch == '_';
- }
endStyled = 0;
- enteredCount = 0;
+ styleClock = 0;
+ enteredModification = 0;
+ enteredStyling = 0;
enteredReadOnlyCount = 0;
tabInChars = 8;
indentInChars = 0;
+ actualIndentInChars = 8;
useTabs = true;
+ tabIndents = true;
+ backspaceUnindents = false;
watchers = 0;
lenWatchers = 0;
+
+ matchesValid = false;
+ pre = 0;
+ substituted = 0;
}
Document::~Document() {
delete []watchers;
watchers = 0;
lenWatchers = 0;
+ delete pre;
+ pre = 0;
+ delete []substituted;
+ substituted = 0;
}
// Increase reference count and return its previous value.
NotifySavePoint(true);
}
-int Document::AddMark(int line, int markerNum) {
- int prev = cb.AddMark(line, markerNum);
- DocModification mh(SC_MOD_CHANGEMARKER, LineStart(line), 0, 0, 0);
+int Document::AddMark(int line, int markerNum) {
+ int prev = cb.AddMark(line, markerNum);
+ DocModification mh(SC_MOD_CHANGEMARKER, LineStart(line), 0, 0, 0, line);
NotifyModified(mh);
return prev;
}
-void Document::DeleteMark(int line, int markerNum) {
- cb.DeleteMark(line, markerNum);
- DocModification mh(SC_MOD_CHANGEMARKER, LineStart(line), 0, 0, 0);
+void Document::AddMarkSet(int line, int valueSet) {
+ unsigned int m = valueSet;
+ for (int i = 0; m; i++, m >>= 1)
+ if (m & 1)
+ cb.AddMark(line, i);
+ DocModification mh(SC_MOD_CHANGEMARKER, LineStart(line), 0, 0, 0, line);
+ NotifyModified(mh);
+}
+
+void Document::DeleteMark(int line, int markerNum) {
+ cb.DeleteMark(line, markerNum);
+ DocModification mh(SC_MOD_CHANGEMARKER, LineStart(line), 0, 0, 0, line);
NotifyModified(mh);
}
-void Document::DeleteMarkFromHandle(int markerHandle) {
- cb.DeleteMarkFromHandle(markerHandle);
+void Document::DeleteMarkFromHandle(int markerHandle) {
+ cb.DeleteMarkFromHandle(markerHandle);
DocModification mh(SC_MOD_CHANGEMARKER, 0, 0, 0, 0);
+ mh.line = -1;
NotifyModified(mh);
}
-void Document::DeleteAllMarks(int markerNum) {
- cb.DeleteAllMarks(markerNum);
+void Document::DeleteAllMarks(int markerNum) {
+ cb.DeleteAllMarks(markerNum);
DocModification mh(SC_MOD_CHANGEMARKER, 0, 0, 0, 0);
+ mh.line = -1;
NotifyModified(mh);
}
-int Document::LineStart(int line) {
+int Document::LineStart(int line) const {
return cb.LineStart(line);
}
-int Document::LineEnd(int line) {
+int Document::LineEnd(int line) const {
if (line == LinesTotal() - 1) {
return LineStart(line + 1);
} else {
return startText;
}
-int Document::SetLevel(int line, int level) {
- int prev = cb.SetLevel(line, level);
+int Document::SetLevel(int line, int level) {
+ int prev = cb.SetLevel(line, level);
if (prev != level) {
- DocModification mh(SC_MOD_CHANGEFOLD, LineStart(line), 0, 0, 0);
- mh.line = line;
+ DocModification mh(SC_MOD_CHANGEFOLD | SC_MOD_CHANGEMARKER,
+ LineStart(line), 0, 0, 0, line);
mh.foldLevelNow = level;
mh.foldLevelPrev = prev;
NotifyModified(mh);
static bool IsSubordinate(int levelStart, int levelTry) {
if (levelTry & SC_FOLDLEVELWHITEFLAG)
return true;
- else
+ else
return (levelStart & SC_FOLDLEVELNUMBERMASK) < (levelTry & SC_FOLDLEVELNUMBERMASK);
}
level = GetLevel(lineParent) & SC_FOLDLEVELNUMBERMASK;
int maxLine = LinesTotal();
int lineMaxSubord = lineParent;
- while (lineMaxSubord < maxLine-1) {
- EnsureStyledTo(LineStart(lineMaxSubord+2));
- if (!IsSubordinate(level, GetLevel(lineMaxSubord+1)))
+ while (lineMaxSubord < maxLine - 1) {
+ EnsureStyledTo(LineStart(lineMaxSubord + 2));
+ if (!IsSubordinate(level, GetLevel(lineMaxSubord + 1)))
break;
lineMaxSubord++;
}
if (lineMaxSubord > lineParent) {
- if (level > (GetLevel(lineMaxSubord+1) & SC_FOLDLEVELNUMBERMASK)) {
- // Have chewed up some whitespace that belongs to a parent so seek back
- if ((lineMaxSubord > lineParent) && (GetLevel(lineMaxSubord) & SC_FOLDLEVELWHITEFLAG)) {
+ if (level > (GetLevel(lineMaxSubord + 1) & SC_FOLDLEVELNUMBERMASK)) {
+ // Have chewed up some whitespace that belongs to a parent so seek back
+ if (GetLevel(lineMaxSubord) & SC_FOLDLEVELWHITEFLAG) {
lineMaxSubord--;
}
}
}
int Document::GetFoldParent(int line) {
- int level = GetLevel(line);
- int lineLook = line-1;
+ int level = GetLevel(line) & SC_FOLDLEVELNUMBERMASK;
+ int lineLook = line - 1;
while ((lineLook > 0) && (
- (!(GetLevel(lineLook) & SC_FOLDLEVELHEADERFLAG)) ||
- ((GetLevel(lineLook) & SC_FOLDLEVELNUMBERMASK) >= level))
- ) {
+ (!(GetLevel(lineLook) & SC_FOLDLEVELHEADERFLAG)) ||
+ ((GetLevel(lineLook) & SC_FOLDLEVELNUMBERMASK) >= level))
+ ) {
lineLook--;
}
if ((GetLevel(lineLook) & SC_FOLDLEVELHEADERFLAG) &&
- ((GetLevel(lineLook) & SC_FOLDLEVELNUMBERMASK) < level)) {
+ ((GetLevel(lineLook) & SC_FOLDLEVELNUMBERMASK) < level)) {
return lineLook;
} else {
return -1;
return (cb.CharAt(pos) == '\r') && (cb.CharAt(pos + 1) == '\n');
}
-#if PLAT_WIN
-bool Document::IsDBCS(int pos) {
- if (dbcsCodePage) {
- if (SC_CP_UTF8 == dbcsCodePage) {
- unsigned char ch = static_cast<unsigned char>(cb.CharAt(pos));
- return ch >= 0x80;
- } else {
- // Anchor DBCS calculations at start of line because start of line can
- // not be a DBCS trail byte.
- int startLine = pos;
- while (startLine > 0 && cb.CharAt(startLine) != '\r' && cb.CharAt(startLine) != '\n')
- startLine--;
- while (startLine <= pos) {
- if (IsDBCSLeadByteEx(dbcsCodePage, cb.CharAt(startLine))) {
- startLine++;
- if (startLine >= pos)
- return true;
- }
- startLine++;
- }
- }
- }
- return false;
-}
-#else
-// PLAT_GTK or PLAT_WX
-// TODO: support DBCS under GTK+ and WX
-bool Document::IsDBCS(int) {
- return false;
-}
-#endif
+static const int maxBytesInDBCSCharacter=5;
int Document::LenChar(int pos) {
- if (IsCrLf(pos)) {
+ if (pos < 0) {
+ return 1;
+ } else if (IsCrLf(pos)) {
return 2;
} else if (SC_CP_UTF8 == dbcsCodePage) {
unsigned char ch = static_cast<unsigned char>(cb.CharAt(pos));
if (ch < 0x80)
return 1;
int len = 2;
- if (ch >= (0x80+0x40+0x20))
+ if (ch >= (0x80 + 0x40 + 0x20 + 0x10))
+ len = 4;
+ else if (ch >= (0x80 + 0x40 + 0x20))
len = 3;
int lengthDoc = Length();
if ((pos + len) > lengthDoc)
- return lengthDoc-pos;
- else
+ return lengthDoc -pos;
+ else
return len;
- } else if (IsDBCS(pos)) {
- return 2;
+ } else if (dbcsCodePage) {
+ char mbstr[maxBytesInDBCSCharacter+1];
+ int i;
+ for (i=0; i<Platform::DBCSCharMaxLength(); i++) {
+ mbstr[i] = cb.CharAt(pos+i);
+ }
+ mbstr[i] = '\0';
+ return Platform::DBCSCharLength(dbcsCodePage, mbstr);
} else {
return 1;
}
}
+static bool IsTrailByte(int ch) {
+ return (ch >= 0x80) && (ch < (0x80 + 0x40));
+}
+
+static int BytesFromLead(int leadByte) {
+ if (leadByte > 0xF4) {
+ // Characters longer than 4 bytes not possible in current UTF-8
+ return 0;
+ } else if (leadByte >= 0xF0) {
+ return 4;
+ } else if (leadByte >= 0xE0) {
+ return 3;
+ } else if (leadByte >= 0xC2) {
+ return 2;
+ }
+ return 0;
+}
+
+bool Document::InGoodUTF8(int pos, int &start, int &end) {
+ int lead = pos;
+ while ((lead>0) && (pos-lead < 4) && IsTrailByte(static_cast<unsigned char>(cb.CharAt(lead-1))))
+ lead--;
+ start = 0;
+ if (lead > 0) {
+ start = lead-1;
+ }
+ int leadByte = static_cast<unsigned char>(cb.CharAt(start));
+ int bytes = BytesFromLead(leadByte);
+ if (bytes == 0) {
+ return false;
+ } else {
+ int trailBytes = bytes - 1;
+ int len = pos - lead + 1;
+ if (len > trailBytes)
+ // pos too far from lead
+ return false;
+ // Check that there are enough trails for this lead
+ int trail = pos + 1;
+ while ((trail-lead<trailBytes) && (trail < Length())) {
+ if (!IsTrailByte(static_cast<unsigned char>(cb.CharAt(trail)))) {
+ return false;
+ }
+ trail++;
+ }
+ end = start + bytes;
+ return true;
+ }
+}
+
// Normalise a position so that it is not halfway through a two byte character.
// This can occur in two situations -
// When lines are terminated with \r\n pairs which should be treated as one character.
// If moving, move the position in the indicated direction.
int Document::MovePositionOutsideChar(int pos, int moveDir, bool checkLineEnd) {
//Platform::DebugPrintf("NoCRLF %d %d\n", pos, moveDir);
- // If out of range, just return value - should be fixed up after
- if (pos < 0)
- return pos;
- if (pos > Length())
- return pos;
-
- // Position 0 and Length() can not be between any two characters
- if (pos == 0)
- return pos;
- if (pos == Length())
- return pos;
+ // If out of range, just return minimum/maximum value.
+ if (pos <= 0)
+ return 0;
+ if (pos >= Length())
+ return Length();
- // assert pos > 0 && pos < Length()
+ // PLATFORM_ASSERT(pos > 0 && pos < Length());
if (checkLineEnd && IsCrLf(pos - 1)) {
if (moveDir > 0)
return pos + 1;
// Not between CR and LF
-#if PLAT_WIN
if (dbcsCodePage) {
if (SC_CP_UTF8 == dbcsCodePage) {
unsigned char ch = static_cast<unsigned char>(cb.CharAt(pos));
- while ((pos > 0) && (pos < Length()) && (ch >= 0x80) && (ch < (0x80 + 0x40))) {
- // ch is a trail byte
+ int startUTF = pos;
+ int endUTF = pos;
+ if (IsTrailByte(ch) && InGoodUTF8(pos, startUTF, endUTF)) {
+ // ch is a trail byte within a UTF-8 character
if (moveDir > 0)
- pos++;
- else
- pos--;
- ch = static_cast<unsigned char>(cb.CharAt(pos));
+ pos = endUTF;
+ else
+ pos = startUTF;
}
} else {
// Anchor DBCS calculations at start of line because start of line can
// not be a DBCS trail byte.
- int startLine = pos;
- while (startLine > 0 && cb.CharAt(startLine) != '\r' && cb.CharAt(startLine) != '\n')
- startLine--;
- bool atLeadByte = false;
- while (startLine < pos) {
- if (atLeadByte)
- atLeadByte = false;
- else if (IsDBCSLeadByteEx(dbcsCodePage, cb.CharAt(startLine)))
- atLeadByte = true;
- else
- atLeadByte = false;
- startLine++;
- //Platform::DebugPrintf("DBCS %s\n", atlead ? "D" : "-");
- }
-
- if (atLeadByte) {
- // Position is between a lead byte and a trail byte
- if (moveDir > 0)
- return pos + 1;
- else
- return pos - 1;
+ int posCheck = LineStart(LineFromPosition(pos));
+ while (posCheck < pos) {
+ char mbstr[maxBytesInDBCSCharacter+1];
+ int i;
+ for(i=0;i<Platform::DBCSCharMaxLength();i++) {
+ mbstr[i] = cb.CharAt(posCheck+i);
+ }
+ mbstr[i] = '\0';
+
+ int mbsize = Platform::DBCSCharLength(dbcsCodePage, mbstr);
+ if (posCheck + mbsize == pos) {
+ return pos;
+ } else if (posCheck + mbsize > pos) {
+ if (moveDir > 0) {
+ return posCheck + mbsize;
+ } else {
+ return posCheck;
+ }
+ }
+ posCheck += mbsize;
}
}
}
-#endif
return pos;
}
endStyled = pos;
}
-// Document only modified by gateways DeleteChars, InsertStyledString, Undo, Redo, and SetStyleAt.
-// SetStyleAt does not change the persistent state of a document
-
-// Unlike Undo, Redo, and InsertStyledString, the pos argument is a cell number not a char number
-void Document::DeleteChars(int pos, int len) {
- if ((pos + len) > Length())
- return;
- if (cb.IsReadOnly() && enteredReadOnlyCount==0) {
+void Document::CheckReadOnly() {
+ if (cb.IsReadOnly() && enteredReadOnlyCount == 0) {
enteredReadOnlyCount++;
NotifyModifyAttempt();
enteredReadOnlyCount--;
}
- if (enteredCount == 0) {
- enteredCount++;
+}
+
+// Document only modified by gateways DeleteChars, InsertString, Undo, Redo, and SetStyleAt.
+// SetStyleAt does not change the persistent state of a document
+
+bool Document::DeleteChars(int pos, int len) {
+ if (len == 0)
+ return false;
+ if ((pos + len) > Length())
+ return false;
+ CheckReadOnly();
+ if (enteredModification != 0) {
+ return false;
+ } else {
+ enteredModification++;
if (!cb.IsReadOnly()) {
NotifyModified(
- DocModification(
- SC_MOD_BEFOREDELETE | SC_PERFORMED_USER,
- pos, len,
- 0, 0));
+ DocModification(
+ SC_MOD_BEFOREDELETE | SC_PERFORMED_USER,
+ pos, len,
+ 0, 0));
int prevLinesTotal = LinesTotal();
bool startSavePoint = cb.IsSavePoint();
- const char *text = cb.DeleteChars(pos*2, len * 2);
+ bool startSequence = false;
+ const char *text = cb.DeleteChars(pos, len, startSequence);
if (startSavePoint && cb.IsCollectingUndo())
NotifySavePoint(!startSavePoint);
- ModifiedAt(pos);
+ if ((pos < Length()) || (pos == 0))
+ ModifiedAt(pos);
+ else
+ ModifiedAt(pos-1);
NotifyModified(
- DocModification(
- SC_MOD_DELETETEXT | SC_PERFORMED_USER,
- pos, len,
- LinesTotal() - prevLinesTotal, text));
+ DocModification(
+ SC_MOD_DELETETEXT | SC_PERFORMED_USER | (startSequence?SC_STARTACTION:0),
+ pos, len,
+ LinesTotal() - prevLinesTotal, text));
}
- enteredCount--;
+ enteredModification--;
}
+ return !cb.IsReadOnly();
}
-void Document::InsertStyledString(int position, char *s, int insertLength) {
- if (cb.IsReadOnly() && enteredReadOnlyCount==0) {
- enteredReadOnlyCount++;
- NotifyModifyAttempt();
- enteredReadOnlyCount--;
+/**
+ * Insert a string with a length.
+ */
+bool Document::InsertString(int position, const char *s, int insertLength) {
+ if (insertLength <= 0) {
+ return false;
}
- if (enteredCount == 0) {
- enteredCount++;
+ CheckReadOnly();
+ if (enteredModification != 0) {
+ return false;
+ } else {
+ enteredModification++;
if (!cb.IsReadOnly()) {
NotifyModified(
- DocModification(
- SC_MOD_BEFOREINSERT | SC_PERFORMED_USER,
- position / 2, insertLength / 2,
- 0, 0));
+ DocModification(
+ SC_MOD_BEFOREINSERT | SC_PERFORMED_USER,
+ position, insertLength,
+ 0, s));
int prevLinesTotal = LinesTotal();
bool startSavePoint = cb.IsSavePoint();
- const char *text = cb.InsertString(position, s, insertLength);
+ bool startSequence = false;
+ const char *text = cb.InsertString(position, s, insertLength, startSequence);
if (startSavePoint && cb.IsCollectingUndo())
NotifySavePoint(!startSavePoint);
- ModifiedAt(position / 2);
+ ModifiedAt(position);
NotifyModified(
- DocModification(
- SC_MOD_INSERTTEXT | SC_PERFORMED_USER,
- position / 2, insertLength / 2,
- LinesTotal() - prevLinesTotal, text));
+ DocModification(
+ SC_MOD_INSERTTEXT | SC_PERFORMED_USER | (startSequence?SC_STARTACTION:0),
+ position, insertLength,
+ LinesTotal() - prevLinesTotal, text));
}
- enteredCount--;
+ enteredModification--;
}
+ return !cb.IsReadOnly();
}
int Document::Undo() {
- int newPos = 0;
- if (enteredCount == 0) {
- enteredCount++;
- bool startSavePoint = cb.IsSavePoint();
- int steps = cb.StartUndo();
- //Platform::DebugPrintf("Steps=%d\n", steps);
- for (int step=0; step<steps; step++) {
- int prevLinesTotal = LinesTotal();
- const Action &action = cb.GetUndoStep();
- if (action.at == removeAction) {
- NotifyModified(DocModification(
- SC_MOD_BEFOREINSERT | SC_PERFORMED_UNDO, action));
- } else {
- NotifyModified(DocModification(
- SC_MOD_BEFOREDELETE | SC_PERFORMED_UNDO, action));
- }
- cb.PerformUndoStep();
- int cellPosition = action.position / 2;
- ModifiedAt(cellPosition);
- newPos = cellPosition;
-
- int modFlags = SC_PERFORMED_UNDO;
- // With undo, an insertion action becomes a deletion notification
- if (action.at == removeAction) {
- newPos += action.lenData;
- modFlags |= SC_MOD_INSERTTEXT;
- } else {
- modFlags |= SC_MOD_DELETETEXT;
+ int newPos = -1;
+ CheckReadOnly();
+ if (enteredModification == 0) {
+ enteredModification++;
+ if (!cb.IsReadOnly()) {
+ bool startSavePoint = cb.IsSavePoint();
+ bool multiLine = false;
+ int steps = cb.StartUndo();
+ //Platform::DebugPrintf("Steps=%d\n", steps);
+ for (int step = 0; step < steps; step++) {
+ const int prevLinesTotal = LinesTotal();
+ const Action &action = cb.GetUndoStep();
+ if (action.at == removeAction) {
+ NotifyModified(DocModification(
+ SC_MOD_BEFOREINSERT | SC_PERFORMED_UNDO, action));
+ } else {
+ NotifyModified(DocModification(
+ SC_MOD_BEFOREDELETE | SC_PERFORMED_UNDO, action));
+ }
+ cb.PerformUndoStep();
+ int cellPosition = action.position;
+ ModifiedAt(cellPosition);
+ newPos = cellPosition;
+
+ int modFlags = SC_PERFORMED_UNDO;
+ // With undo, an insertion action becomes a deletion notification
+ if (action.at == removeAction) {
+ newPos += action.lenData;
+ modFlags |= SC_MOD_INSERTTEXT;
+ } else {
+ modFlags |= SC_MOD_DELETETEXT;
+ }
+ if (steps > 1)
+ modFlags |= SC_MULTISTEPUNDOREDO;
+ const int linesAdded = LinesTotal() - prevLinesTotal;
+ if (linesAdded != 0)
+ multiLine = true;
+ if (step == steps - 1) {
+ modFlags |= SC_LASTSTEPINUNDOREDO;
+ if (multiLine)
+ modFlags |= SC_MULTILINEUNDOREDO;
+ }
+ NotifyModified(DocModification(modFlags, cellPosition, action.lenData,
+ linesAdded, action.data));
}
- if (step == steps-1)
- modFlags |= SC_LASTSTEPINUNDOREDO;
- NotifyModified(DocModification(modFlags, cellPosition, action.lenData,
- LinesTotal() - prevLinesTotal, action.data));
+
+ bool endSavePoint = cb.IsSavePoint();
+ if (startSavePoint != endSavePoint)
+ NotifySavePoint(endSavePoint);
}
-
- bool endSavePoint = cb.IsSavePoint();
- if (startSavePoint != endSavePoint)
- NotifySavePoint(endSavePoint);
- enteredCount--;
+ enteredModification--;
}
return newPos;
}
int Document::Redo() {
- int newPos = 0;
- if (enteredCount == 0) {
- enteredCount++;
- bool startSavePoint = cb.IsSavePoint();
- int steps = cb.StartRedo();
- for (int step=0; step<steps; step++) {
- int prevLinesTotal = LinesTotal();
- const Action &action = cb.GetRedoStep();
- if (action.at == insertAction) {
- NotifyModified(DocModification(
- SC_MOD_BEFOREINSERT | SC_PERFORMED_REDO, action));
- } else {
- NotifyModified(DocModification(
- SC_MOD_BEFOREDELETE | SC_PERFORMED_REDO, action));
- }
- cb.PerformRedoStep();
- ModifiedAt(action.position / 2);
- newPos = action.position / 2;
-
- int modFlags = SC_PERFORMED_REDO;
- if (action.at == insertAction) {
- newPos += action.lenData;
- modFlags |= SC_MOD_INSERTTEXT;
- } else {
- modFlags |= SC_MOD_DELETETEXT;
+ int newPos = -1;
+ CheckReadOnly();
+ if (enteredModification == 0) {
+ enteredModification++;
+ if (!cb.IsReadOnly()) {
+ bool startSavePoint = cb.IsSavePoint();
+ bool multiLine = false;
+ int steps = cb.StartRedo();
+ for (int step = 0; step < steps; step++) {
+ const int prevLinesTotal = LinesTotal();
+ const Action &action = cb.GetRedoStep();
+ if (action.at == insertAction) {
+ NotifyModified(DocModification(
+ SC_MOD_BEFOREINSERT | SC_PERFORMED_REDO, action));
+ } else {
+ NotifyModified(DocModification(
+ SC_MOD_BEFOREDELETE | SC_PERFORMED_REDO, action));
+ }
+ cb.PerformRedoStep();
+ ModifiedAt(action.position);
+ newPos = action.position;
+
+ int modFlags = SC_PERFORMED_REDO;
+ if (action.at == insertAction) {
+ newPos += action.lenData;
+ modFlags |= SC_MOD_INSERTTEXT;
+ } else {
+ modFlags |= SC_MOD_DELETETEXT;
+ }
+ if (steps > 1)
+ modFlags |= SC_MULTISTEPUNDOREDO;
+ const int linesAdded = LinesTotal() - prevLinesTotal;
+ if (linesAdded != 0)
+ multiLine = true;
+ if (step == steps - 1) {
+ modFlags |= SC_LASTSTEPINUNDOREDO;
+ if (multiLine)
+ modFlags |= SC_MULTILINEUNDOREDO;
+ }
+ NotifyModified(
+ DocModification(modFlags, action.position, action.lenData,
+ linesAdded, action.data));
}
- if (step == steps-1)
- modFlags |= SC_LASTSTEPINUNDOREDO;
- NotifyModified(
- DocModification(modFlags, action.position / 2, action.lenData,
- LinesTotal() - prevLinesTotal, action.data));
+
+ bool endSavePoint = cb.IsSavePoint();
+ if (startSavePoint != endSavePoint)
+ NotifySavePoint(endSavePoint);
}
-
- bool endSavePoint = cb.IsSavePoint();
- if (startSavePoint != endSavePoint)
- NotifySavePoint(endSavePoint);
- enteredCount--;
+ enteredModification--;
}
return newPos;
}
-void Document::InsertChar(int pos, char ch) {
- char chs[2];
+/**
+ * Insert a single character.
+ */
+bool Document::InsertChar(int pos, char ch) {
+ char chs[1];
chs[0] = ch;
- chs[1] = 0;
- InsertStyledString(pos*2, chs, 2);
+ return InsertString(pos, chs, 1);
}
-// Insert a null terminated string
-void Document::InsertString(int position, const char *s) {
- InsertString(position, s, strlen(s));
-}
-
-// Insert a string with a length
-void Document::InsertString(int position, const char *s, int insertLength) {
- char *sWithStyle = new char[insertLength * 2];
- if (sWithStyle) {
- for (int i = 0; i < insertLength; i++) {
- sWithStyle[i*2] = s[i];
- sWithStyle[i*2 + 1] = 0;
- }
- InsertStyledString(position*2, sWithStyle, insertLength*2);
- delete []sWithStyle;
- }
+/**
+ * Insert a null terminated string.
+ */
+bool Document::InsertCString(int position, const char *s) {
+ return InsertString(position, s, strlen(s));
}
void Document::ChangeChar(int pos, char ch) {
DeleteChars(pos, LenChar(pos));
}
-int Document::DelCharBack(int pos) {
+void Document::DelCharBack(int pos) {
if (pos <= 0) {
- return pos;
+ return;
} else if (IsCrLf(pos - 2)) {
DeleteChars(pos - 2, 2);
- return pos - 2;
- } else if (SC_CP_UTF8 == dbcsCodePage) {
- int startChar = MovePositionOutsideChar(pos-1, -1, false);
+ } else if (dbcsCodePage) {
+ int startChar = MovePositionOutsideChar(pos - 1, -1, false);
DeleteChars(startChar, pos - startChar);
- return startChar;
- } else if (IsDBCS(pos - 1)) {
- DeleteChars(pos - 2, 2);
- return pos - 2;
} else {
DeleteChars(pos - 1, 1);
- return pos - 1;
}
}
if ((line >= 0) && (line < LinesTotal())) {
int lineStart = LineStart(line);
int length = Length();
- for (int i=lineStart;i<length;i++) {
+ for (int i = lineStart;i < length;i++) {
char ch = cb.CharAt(i);
if (ch == ' ')
indent++;
else if (ch == '\t')
indent = NextTab(indent, tabInChars);
- else
+ else
return indent;
}
}
CreateIndentation(linebuf, sizeof(linebuf), indent, tabInChars, !useTabs);
int thisLineStart = LineStart(line);
int indentPos = GetLineIndentPosition(line);
+ BeginUndoAction();
DeleteChars(thisLineStart, indentPos - thisLineStart);
- InsertString(thisLineStart, linebuf);
+ InsertCString(thisLineStart, linebuf);
+ EndUndoAction();
}
}
-int Document::GetLineIndentPosition(int line) {
- if (line < 0)
- return 0;
+int Document::GetLineIndentPosition(int line) const {
+ if (line < 0)
+ return 0;
int pos = LineStart(line);
int length = Length();
while ((pos < length) && isindentchar(cb.CharAt(pos))) {
int column = 0;
int line = LineFromPosition(pos);
if ((line >= 0) && (line < LinesTotal())) {
- for (int i=LineStart(line);i<pos;i++) {
+ for (int i = LineStart(line);i < pos;) {
char ch = cb.CharAt(i);
- if (ch == '\t')
+ if (ch == '\t') {
column = NextTab(column, tabInChars);
- else if (ch == '\r')
+ i++;
+ } else if (ch == '\r') {
return column;
- else if (ch == '\n')
+ } else if (ch == '\n') {
return column;
- else
+ } else if (i >= Length()) {
+ return column;
+ } else {
column++;
+ i = MovePositionOutsideChar(i + 1, 1, false);
+ }
}
}
return column;
}
+int Document::FindColumn(int line, int column) {
+ int position = LineStart(line);
+ int columnCurrent = 0;
+ if ((line >= 0) && (line < LinesTotal())) {
+ while ((columnCurrent < column) && (position < Length())) {
+ char ch = cb.CharAt(position);
+ if (ch == '\t') {
+ columnCurrent = NextTab(columnCurrent, tabInChars);
+ position++;
+ } else if (ch == '\r') {
+ return position;
+ } else if (ch == '\n') {
+ return position;
+ } else {
+ columnCurrent++;
+ position = MovePositionOutsideChar(position + 1, 1, false);
+ }
+ }
+ }
+ return position;
+}
+
void Document::Indent(bool forwards, int lineBottom, int lineTop) {
// Dedent - suck white space off the front of the line to dedent by equivalent of a tab
for (int line = lineBottom; line >= lineTop; line--) {
int indentOfLine = GetLineIndentation(line);
- if (forwards)
- SetLineIndentation(line, indentOfLine + IndentSize());
- else
+ if (forwards) {
+ if (LineStart(line) < LineEnd(line)) {
+ SetLineIndentation(line, indentOfLine + IndentSize());
+ }
+ } else {
SetLineIndentation(line, indentOfLine - IndentSize());
+ }
+ }
+}
+
+// Convert line endings for a piece of text to a particular mode.
+// Stop at len or when a NUL is found.
+// Caller must delete the returned pointer.
+char *Document::TransformLineEnds(int *pLenOut, const char *s, size_t len, int eolMode) {
+ char *dest = new char[2 * len + 1];
+ const char *sptr = s;
+ char *dptr = dest;
+ for (size_t i = 0; (i < len) && (*sptr != '\0'); i++) {
+ if (*sptr == '\n' || *sptr == '\r') {
+ if (eolMode == SC_EOL_CR) {
+ *dptr++ = '\r';
+ } else if (eolMode == SC_EOL_LF) {
+ *dptr++ = '\n';
+ } else { // eolMode == SC_EOL_CRLF
+ *dptr++ = '\r';
+ *dptr++ = '\n';
+ }
+ if ((*sptr == '\r') && (i+1 < len) && (*(sptr+1) == '\n')) {
+ i++;
+ sptr++;
+ }
+ sptr++;
+ } else {
+ *dptr++ = *sptr++;
+ }
}
+ *dptr++ = '\0';
+ *pLenOut = (dptr - dest) - 1;
+ return dest;
}
void Document::ConvertLineEnds(int eolModeSet) {
BeginUndoAction();
+
for (int pos = 0; pos < Length(); pos++) {
if (cb.CharAt(pos) == '\r') {
- if (cb.CharAt(pos+1) == '\n') {
- if (eolModeSet != SC_EOL_CRLF) {
- DeleteChars(pos, 2);
- if (eolModeSet == SC_EOL_CR)
- InsertString(pos, "\r", 1);
- else
- InsertString(pos, "\n", 1);
+ if (cb.CharAt(pos + 1) == '\n') {
+ // CRLF
+ if (eolModeSet == SC_EOL_CR) {
+ DeleteChars(pos + 1, 1); // Delete the LF
+ } else if (eolModeSet == SC_EOL_LF) {
+ DeleteChars(pos, 1); // Delete the CR
} else {
pos++;
}
} else {
- if (eolModeSet != SC_EOL_CR) {
- DeleteChars(pos, 1);
- if (eolModeSet == SC_EOL_CRLF) {
- InsertString(pos, "\r\n", 2);
- pos++;
- } else {
- InsertString(pos, "\n", 1);
- }
- }
- }
- } else if (cb.CharAt(pos) == '\n') {
- if (eolModeSet != SC_EOL_LF) {
- DeleteChars(pos, 1);
+ // CR
if (eolModeSet == SC_EOL_CRLF) {
- InsertString(pos, "\r\n", 2);
+ InsertString(pos + 1, "\n", 1); // Insert LF
pos++;
- } else {
- InsertString(pos, "\r", 1);
+ } else if (eolModeSet == SC_EOL_LF) {
+ InsertString(pos, "\n", 1); // Insert LF
+ DeleteChars(pos + 1, 1); // Delete CR
}
}
+ } else if (cb.CharAt(pos) == '\n') {
+ // LF
+ if (eolModeSet == SC_EOL_CRLF) {
+ InsertString(pos, "\r", 1); // Insert CR
+ pos++;
+ } else if (eolModeSet == SC_EOL_CR) {
+ InsertString(pos, "\r", 1); // Insert CR
+ DeleteChars(pos + 1, 1); // Delete LF
+ }
}
}
+
EndUndoAction();
}
-bool Document::IsWordChar(unsigned char ch) {
- if ((SC_CP_UTF8 == dbcsCodePage) && (ch >0x80))
- return true;
- return wordchars[ch];
+bool Document::IsWhiteLine(int line) const {
+ int currentChar = LineStart(line);
+ int endLine = LineEnd(line);
+ while (currentChar < endLine) {
+ if (cb.CharAt(currentChar) != ' ' && cb.CharAt(currentChar) != '\t') {
+ return false;
+ }
+ ++currentChar;
+ }
+ return true;
+}
+
+int Document::ParaUp(int pos) {
+ int line = LineFromPosition(pos);
+ line--;
+ while (line >= 0 && IsWhiteLine(line)) { // skip empty lines
+ line--;
+ }
+ while (line >= 0 && !IsWhiteLine(line)) { // skip non-empty lines
+ line--;
+ }
+ line++;
+ return LineStart(line);
+}
+
+int Document::ParaDown(int pos) {
+ int line = LineFromPosition(pos);
+ while (line < LinesTotal() && !IsWhiteLine(line)) { // skip non-empty lines
+ line++;
+ }
+ while (line < LinesTotal() && IsWhiteLine(line)) { // skip empty lines
+ line++;
+ }
+ if (line < LinesTotal())
+ return LineStart(line);
+ else // end of a document
+ return LineEnd(line-1);
}
-int Document::ExtendWordSelect(int pos, int delta) {
+CharClassify::cc Document::WordCharClass(unsigned char ch) {
+ if ((SC_CP_UTF8 == dbcsCodePage) && (ch >= 0x80))
+ return CharClassify::ccWord;
+ return charClass.GetClass(ch);
+}
+
+/**
+ * Used by commmands that want to select whole words.
+ * Finds the start of word at pos when delta < 0 or the end of the word when delta >= 0.
+ */
+int Document::ExtendWordSelect(int pos, int delta, bool onlyWordCharacters) {
+ CharClassify::cc ccStart = CharClassify::ccWord;
if (delta < 0) {
- while (pos > 0 && IsWordChar(cb.CharAt(pos - 1)))
+ if (!onlyWordCharacters)
+ ccStart = WordCharClass(cb.CharAt(pos-1));
+ while (pos > 0 && (WordCharClass(cb.CharAt(pos - 1)) == ccStart))
pos--;
} else {
- while (pos < (Length()) && IsWordChar(cb.CharAt(pos)))
+ if (!onlyWordCharacters && pos < Length())
+ ccStart = WordCharClass(cb.CharAt(pos));
+ while (pos < (Length()) && (WordCharClass(cb.CharAt(pos)) == ccStart))
pos++;
}
- return pos;
+ return MovePositionOutsideChar(pos, delta);
}
+/**
+ * Find the start of the next word in either a forward (delta >= 0) or backwards direction
+ * (delta < 0).
+ * This is looking for a transition between character classes although there is also some
+ * additional movement to transit white space.
+ * Used by cursor movement by word commands.
+ */
int Document::NextWordStart(int pos, int delta) {
if (delta < 0) {
- while (pos > 0 && (cb.CharAt(pos - 1) == ' ' || cb.CharAt(pos - 1) == '\t'))
+ while (pos > 0 && (WordCharClass(cb.CharAt(pos - 1)) == CharClassify::ccSpace))
pos--;
- if (isspace(cb.CharAt(pos - 1))) { // Back up to previous line
- while (pos > 0 && isspace(cb.CharAt(pos - 1)))
- pos--;
- } else {
- bool startAtWordChar = IsWordChar(cb.CharAt(pos - 1));
- while (pos > 0 && !isspace(cb.CharAt(pos - 1)) && (startAtWordChar == IsWordChar(cb.CharAt(pos - 1))))
+ if (pos > 0) {
+ CharClassify::cc ccStart = WordCharClass(cb.CharAt(pos-1));
+ while (pos > 0 && (WordCharClass(cb.CharAt(pos - 1)) == ccStart)) {
pos--;
+ }
}
} else {
- bool startAtWordChar = IsWordChar(cb.CharAt(pos));
- while (pos < (Length()) && isspace(cb.CharAt(pos)))
+ CharClassify::cc ccStart = WordCharClass(cb.CharAt(pos));
+ while (pos < (Length()) && (WordCharClass(cb.CharAt(pos)) == ccStart))
pos++;
- while (pos < (Length()) && !isspace(cb.CharAt(pos)) && (startAtWordChar == IsWordChar(cb.CharAt(pos))))
+ while (pos < (Length()) && (WordCharClass(cb.CharAt(pos)) == CharClassify::ccSpace))
pos++;
- while (pos < (Length()) && (cb.CharAt(pos) == ' ' || cb.CharAt(pos) == '\t'))
+ }
+ return pos;
+}
+
+/**
+ * Find the end of the next word in either a forward (delta >= 0) or backwards direction
+ * (delta < 0).
+ * This is looking for a transition between character classes although there is also some
+ * additional movement to transit white space.
+ * Used by cursor movement by word commands.
+ */
+int Document::NextWordEnd(int pos, int delta) {
+ if (delta < 0) {
+ if (pos > 0) {
+ CharClassify::cc ccStart = WordCharClass(cb.CharAt(pos-1));
+ if (ccStart != CharClassify::ccSpace) {
+ while (pos > 0 && WordCharClass(cb.CharAt(pos - 1)) == ccStart) {
+ pos--;
+ }
+ }
+ while (pos > 0 && WordCharClass(cb.CharAt(pos - 1)) == CharClassify::ccSpace) {
+ pos--;
+ }
+ }
+ } else {
+ while (pos < Length() && WordCharClass(cb.CharAt(pos)) == CharClassify::ccSpace) {
pos++;
+ }
+ if (pos < Length()) {
+ CharClassify::cc ccStart = WordCharClass(cb.CharAt(pos));
+ while (pos < Length() && WordCharClass(cb.CharAt(pos)) == ccStart) {
+ pos++;
+ }
+ }
}
return pos;
}
+/**
+ * Check that the character at the given position is a word or punctuation character and that
+ * the previous character is of a different character class.
+ */
bool Document::IsWordStartAt(int pos) {
if (pos > 0) {
- return !IsWordChar(CharAt(pos - 1));
+ CharClassify::cc ccPos = WordCharClass(CharAt(pos));
+ return (ccPos == CharClassify::ccWord || ccPos == CharClassify::ccPunctuation) &&
+ (ccPos != WordCharClass(CharAt(pos - 1)));
}
return true;
}
+/**
+ * Check that the character at the given position is a word or punctuation character and that
+ * the next character is of a different character class.
+ */
bool Document::IsWordEndAt(int pos) {
- if (pos < Length() - 1) {
- return !IsWordChar(CharAt(pos));
+ if (pos < Length()) {
+ CharClassify::cc ccPrev = WordCharClass(CharAt(pos-1));
+ return (ccPrev == CharClassify::ccWord || ccPrev == CharClassify::ccPunctuation) &&
+ (ccPrev != WordCharClass(CharAt(pos)));
}
return true;
}
+/**
+ * Check that the given range is has transitions between character classes at both
+ * ends and where the characters on the inside are word or punctuation characters.
+ */
bool Document::IsWordAt(int start, int end) {
return IsWordStartAt(start) && IsWordEndAt(end);
}
-// Find text in document, supporting both forward and backward
-// searches (just pass minPos > maxPos to do a backward search)
-// Has not been tested with backwards DBCS searches yet.
-long Document::FindText(int minPos, int maxPos, const char *s,
- bool caseSensitive, bool word, bool wordStart) {
- bool forward = minPos <= maxPos;
- int increment = forward ? 1 : -1;
-
- // Range endpoints should not be inside DBCS characters, but just in case, move them.
- int startPos = MovePositionOutsideChar(minPos, increment, false);
- int endPos = MovePositionOutsideChar(maxPos, increment, false);
-
- // Compute actual search ranges needed
- int lengthFind = strlen(s);
- int endSearch = endPos;
- if (startPos <= endPos) {
- endSearch = endPos - lengthFind + 1;
- }
- //Platform::DebugPrintf("Find %d %d %s %d\n", startPos, endPos, ft->lpstrText, lengthFind);
- char firstChar = s[0];
- if (!caseSensitive)
- firstChar = static_cast<char>(toupper(firstChar));
- int pos = startPos;
- while (forward ? (pos < endSearch) : (pos >= endSearch)) {
- char ch = CharAt(pos);
- if (caseSensitive) {
- if (ch == firstChar) {
- bool found = true;
- for (int posMatch = 1; posMatch < lengthFind && found; posMatch++) {
- ch = CharAt(pos + posMatch);
- if (ch != s[posMatch])
- found = false;
+// The comparison and case changing functions here assume ASCII
+// or extended ASCII such as the normal Windows code page.
+
+static inline char MakeUpperCase(char ch) {
+ if (ch < 'a' || ch > 'z')
+ return ch;
+ else
+ return static_cast<char>(ch - 'a' + 'A');
+}
+
+static inline char MakeLowerCase(char ch) {
+ if (ch < 'A' || ch > 'Z')
+ return ch;
+ else
+ return static_cast<char>(ch - 'A' + 'a');
+}
+
+// Define a way for the Regular Expression code to access the document
+class DocumentIndexer : public CharacterIndexer {
+ Document *pdoc;
+ int end;
+public:
+ DocumentIndexer(Document *pdoc_, int end_) :
+ pdoc(pdoc_), end(end_) {
+ }
+
+ virtual ~DocumentIndexer() {
+ }
+
+ virtual char CharAt(int index) {
+ if (index < 0 || index >= end)
+ return 0;
+ else
+ return pdoc->CharAt(index);
+ }
+};
+
+/**
+ * Find text in document, supporting both forward and backward
+ * searches (just pass minPos > maxPos to do a backward search)
+ * Has not been tested with backwards DBCS searches yet.
+ */
+long Document::FindText(int minPos, int maxPos, const char *s,
+ bool caseSensitive, bool word, bool wordStart, bool regExp, bool posix,
+ int *length) {
+ if (regExp) {
+ if (!pre)
+ pre = new RESearch(&charClass);
+ if (!pre)
+ return -1;
+
+ int increment = (minPos <= maxPos) ? 1 : -1;
+
+ int startPos = minPos;
+ int endPos = maxPos;
+
+ // Range endpoints should not be inside DBCS characters, but just in case, move them.
+ startPos = MovePositionOutsideChar(startPos, 1, false);
+ endPos = MovePositionOutsideChar(endPos, 1, false);
+
+ const char *errmsg = pre->Compile(s, *length, caseSensitive, posix);
+ if (errmsg) {
+ return -1;
+ }
+ // Find a variable in a property file: \$(\([A-Za-z0-9_.]+\))
+ // Replace first '.' with '-' in each property file variable reference:
+ // Search: \$(\([A-Za-z0-9_-]+\)\.\([A-Za-z0-9_.]+\))
+ // Replace: $(\1-\2)
+ int lineRangeStart = LineFromPosition(startPos);
+ int lineRangeEnd = LineFromPosition(endPos);
+ if ((increment == 1) &&
+ (startPos >= LineEnd(lineRangeStart)) &&
+ (lineRangeStart < lineRangeEnd)) {
+ // the start position is at end of line or between line end characters.
+ lineRangeStart++;
+ startPos = LineStart(lineRangeStart);
+ }
+ int pos = -1;
+ int lenRet = 0;
+ char searchEnd = s[*length - 1];
+ int lineRangeBreak = lineRangeEnd + increment;
+ for (int line = lineRangeStart; line != lineRangeBreak; line += increment) {
+ int startOfLine = LineStart(line);
+ int endOfLine = LineEnd(line);
+ if (increment == 1) {
+ if (line == lineRangeStart) {
+ if ((startPos != startOfLine) && (s[0] == '^'))
+ continue; // Can't match start of line if start position after start of line
+ startOfLine = startPos;
}
- if (found) {
- if ((!word && !wordStart) ||
- word && IsWordAt(pos, pos + lengthFind) ||
- wordStart && IsWordStartAt(pos))
- return pos;
+ if (line == lineRangeEnd) {
+ if ((endPos != endOfLine) && (searchEnd == '$'))
+ continue; // Can't match end of line if end position before end of line
+ endOfLine = endPos;
}
- }
- } else {
- if (toupper(ch) == firstChar) {
- bool found = true;
- for (int posMatch = 1; posMatch < lengthFind && found; posMatch++) {
- ch = CharAt(pos + posMatch);
- if (toupper(ch) != toupper(s[posMatch]))
- found = false;
+ } else {
+ if (line == lineRangeEnd) {
+ if ((endPos != startOfLine) && (s[0] == '^'))
+ continue; // Can't match start of line if end position after start of line
+ startOfLine = endPos;
}
- if (found) {
- if (!(word && wordStart) ||
- word && IsWordAt(pos, pos + lengthFind) ||
- wordStart && IsWordStartAt(pos))
- return pos;
+ if (line == lineRangeStart) {
+ if ((startPos != endOfLine) && (searchEnd == '$'))
+ continue; // Can't match end of line if start position before end of line
+ endOfLine = startPos;
}
}
+
+ DocumentIndexer di(this, endOfLine);
+ int success = pre->Execute(di, startOfLine, endOfLine);
+ if (success) {
+ pos = pre->bopat[0];
+ lenRet = pre->eopat[0] - pre->bopat[0];
+ if (increment == -1) {
+ // Check for the last match on this line.
+ int repetitions = 1000; // Break out of infinite loop
+ while (success && (pre->eopat[0] <= endOfLine) && (repetitions--)) {
+ success = pre->Execute(di, pos+1, endOfLine);
+ if (success) {
+ if (pre->eopat[0] <= minPos) {
+ pos = pre->bopat[0];
+ lenRet = pre->eopat[0] - pre->bopat[0];
+ } else {
+ success = 0;
+ }
+ }
+ }
+ }
+ break;
+ }
+ }
+ *length = lenRet;
+ return pos;
+
+ } else {
+
+ bool forward = minPos <= maxPos;
+ int increment = forward ? 1 : -1;
+
+ // Range endpoints should not be inside DBCS characters, but just in case, move them.
+ int startPos = MovePositionOutsideChar(minPos, increment, false);
+ int endPos = MovePositionOutsideChar(maxPos, increment, false);
+
+ // Compute actual search ranges needed
+ int lengthFind = *length;
+ if (lengthFind == -1)
+ lengthFind = static_cast<int>(strlen(s));
+ int endSearch = endPos;
+ if (startPos <= endPos) {
+ endSearch = endPos - lengthFind + 1;
}
- pos += increment;
- if (dbcsCodePage) {
- // Ensure trying to match from start of character
- pos = MovePositionOutsideChar(pos, increment, false);
+ //Platform::DebugPrintf("Find %d %d %s %d\n", startPos, endPos, ft->lpstrText, lengthFind);
+ char firstChar = s[0];
+ if (!caseSensitive)
+ firstChar = static_cast<char>(MakeUpperCase(firstChar));
+ int pos = forward ? startPos : (startPos - 1);
+ while (forward ? (pos < endSearch) : (pos >= endSearch)) {
+ char ch = CharAt(pos);
+ if (caseSensitive) {
+ if (ch == firstChar) {
+ bool found = true;
+ if (pos + lengthFind > Platform::Maximum(startPos, endPos)) found = false;
+ for (int posMatch = 1; posMatch < lengthFind && found; posMatch++) {
+ ch = CharAt(pos + posMatch);
+ if (ch != s[posMatch])
+ found = false;
+ }
+ if (found) {
+ if ((!word && !wordStart) ||
+ word && IsWordAt(pos, pos + lengthFind) ||
+ wordStart && IsWordStartAt(pos))
+ return pos;
+ }
+ }
+ } else {
+ if (MakeUpperCase(ch) == firstChar) {
+ bool found = true;
+ if (pos + lengthFind > Platform::Maximum(startPos, endPos)) found = false;
+ for (int posMatch = 1; posMatch < lengthFind && found; posMatch++) {
+ ch = CharAt(pos + posMatch);
+ if (MakeUpperCase(ch) != MakeUpperCase(s[posMatch]))
+ found = false;
+ }
+ if (found) {
+ if ((!word && !wordStart) ||
+ word && IsWordAt(pos, pos + lengthFind) ||
+ wordStart && IsWordStartAt(pos))
+ return pos;
+ }
+ }
+ }
+ pos += increment;
+ if (dbcsCodePage && (pos >= 0)) {
+ // Ensure trying to match from start of character
+ pos = MovePositionOutsideChar(pos, increment, false);
+ }
}
}
//Platform::DebugPrintf("Not found\n");
- return - 1;
+ return -1;
+}
+
+const char *Document::SubstituteByPosition(const char *text, int *length) {
+ if (!pre)
+ return 0;
+ delete []substituted;
+ substituted = 0;
+ DocumentIndexer di(this, Length());
+ if (!pre->GrabMatches(di))
+ return 0;
+ unsigned int lenResult = 0;
+ for (int i = 0; i < *length; i++) {
+ if (text[i] == '\\') {
+ if (text[i + 1] >= '1' && text[i + 1] <= '9') {
+ unsigned int patNum = text[i + 1] - '0';
+ lenResult += pre->eopat[patNum] - pre->bopat[patNum];
+ i++;
+ } else {
+ switch (text[i + 1]) {
+ case 'a':
+ case 'b':
+ case 'f':
+ case 'n':
+ case 'r':
+ case 't':
+ case 'v':
+ i++;
+ }
+ lenResult++;
+ }
+ } else {
+ lenResult++;
+ }
+ }
+ substituted = new char[lenResult + 1];
+ if (!substituted)
+ return 0;
+ char *o = substituted;
+ for (int j = 0; j < *length; j++) {
+ if (text[j] == '\\') {
+ if (text[j + 1] >= '1' && text[j + 1] <= '9') {
+ unsigned int patNum = text[j + 1] - '0';
+ unsigned int len = pre->eopat[patNum] - pre->bopat[patNum];
+ if (pre->pat[patNum]) // Will be null if try for a match that did not occur
+ memcpy(o, pre->pat[patNum], len);
+ o += len;
+ j++;
+ } else {
+ j++;
+ switch (text[j]) {
+ case 'a':
+ *o++ = '\a';
+ break;
+ case 'b':
+ *o++ = '\b';
+ break;
+ case 'f':
+ *o++ = '\f';
+ break;
+ case 'n':
+ *o++ = '\n';
+ break;
+ case 'r':
+ *o++ = '\r';
+ break;
+ case 't':
+ *o++ = '\t';
+ break;
+ case 'v':
+ *o++ = '\v';
+ break;
+ default:
+ *o++ = '\\';
+ j--;
+ }
+ }
+ } else {
+ *o++ = text[j];
+ }
+ }
+ *o = '\0';
+ *length = lenResult;
+ return substituted;
}
-int Document::LinesTotal() {
+int Document::LinesTotal() const {
return cb.Lines();
}
void Document::ChangeCase(Range r, bool makeUpperCase) {
- for (int pos=r.start; pos<r.end; pos++) {
- char ch = CharAt(pos);
- if (dbcsCodePage && IsDBCS(pos)) {
- pos += LenChar(pos);
- } else {
+ for (int pos = r.start; pos < r.end;) {
+ int len = LenChar(pos);
+ if (len == 1) {
+ char ch = CharAt(pos);
if (makeUpperCase) {
- if (islower(ch)) {
- ChangeChar(pos, static_cast<char>(toupper(ch)));
+ if (IsLowerCase(ch)) {
+ ChangeChar(pos, static_cast<char>(MakeUpperCase(ch)));
}
} else {
- if (isupper(ch)) {
- ChangeChar(pos, static_cast<char>(tolower(ch)));
+ if (IsUpperCase(ch)) {
+ ChangeChar(pos, static_cast<char>(MakeLowerCase(ch)));
}
}
}
+ pos += len;
}
}
-void Document::SetWordChars(unsigned char *chars) {
- int ch;
- for (ch = 0; ch < 256; ch++) {
- wordchars[ch] = false;
- }
- if (chars) {
- while (*chars) {
- wordchars[*chars] = true;
- chars++;
- }
- } else {
- for (ch = 0; ch < 256; ch++) {
- wordchars[ch] = isalnum(ch) || ch == '_';
- }
- }
+void Document::SetDefaultCharClasses(bool includeWordClass) {
+ charClass.SetDefaultCharClasses(includeWordClass);
+}
+
+void Document::SetCharClasses(const unsigned char *chars, CharClassify::cc newCharClass) {
+ charClass.SetCharClasses(chars, newCharClass);
}
void Document::SetStylingBits(int bits) {
stylingBits = bits;
- stylingBitsMask = 0;
- for (int bit=0; bit<stylingBits; bit++) {
- stylingBitsMask <<= 1;
- stylingBitsMask |= 1;
- }
+ stylingBitsMask = (1 << stylingBits) - 1;
}
void Document::StartStyling(int position, char mask) {
- stylingPos = position;
stylingMask = mask;
+ endStyled = position;
}
-void Document::SetStyleFor(int length, char style) {
- if (enteredCount == 0) {
- enteredCount++;
+bool Document::SetStyleFor(int length, char style) {
+ if (enteredStyling != 0) {
+ return false;
+ } else {
+ enteredStyling++;
+ style &= stylingMask;
int prevEndStyled = endStyled;
- if (cb.SetStyleFor(stylingPos, length, style, stylingMask)) {
- DocModification mh(SC_MOD_CHANGESTYLE | SC_PERFORMED_USER,
- prevEndStyled, length);
+ if (cb.SetStyleFor(endStyled, length, style, stylingMask)) {
+ DocModification mh(SC_MOD_CHANGESTYLE | SC_PERFORMED_USER,
+ prevEndStyled, length);
NotifyModified(mh);
}
- stylingPos += length;
- endStyled = stylingPos;
- enteredCount--;
+ endStyled += length;
+ enteredStyling--;
+ return true;
}
}
-void Document::SetStyles(int length, char *styles) {
- if (enteredCount == 0) {
- enteredCount++;
- int prevEndStyled = endStyled;
+bool Document::SetStyles(int length, char *styles) {
+ if (enteredStyling != 0) {
+ return false;
+ } else {
+ enteredStyling++;
bool didChange = false;
- for (int iPos = 0; iPos < length; iPos++, stylingPos++) {
- if (cb.SetStyleAt(stylingPos, styles[iPos], stylingMask)) {
+ int startMod = 0;
+ int endMod = 0;
+ for (int iPos = 0; iPos < length; iPos++, endStyled++) {
+ PLATFORM_ASSERT(endStyled < Length());
+ if (cb.SetStyleAt(endStyled, styles[iPos], stylingMask)) {
+ if (!didChange) {
+ startMod = endStyled;
+ }
didChange = true;
+ endMod = endStyled;
}
}
- endStyled = stylingPos;
if (didChange) {
- DocModification mh(SC_MOD_CHANGESTYLE | SC_PERFORMED_USER,
- prevEndStyled, endStyled - prevEndStyled);
+ DocModification mh(SC_MOD_CHANGESTYLE | SC_PERFORMED_USER,
+ startMod, endMod - startMod + 1);
NotifyModified(mh);
}
- enteredCount--;
+ enteredStyling--;
+ return true;
+ }
+}
+
+void Document::EnsureStyledTo(int pos) {
+ if ((enteredStyling == 0) && (pos > GetEndStyled())) {
+ IncrementStyleClock();
+ // Ask the watchers to style, and stop as soon as one responds.
+ for (int i = 0; pos > GetEndStyled() && i < lenWatchers; i++) {
+ watchers[i].watcher->NotifyStyleNeeded(this, watchers[i].userData, pos);
+ }
}
}
-bool Document::EnsureStyledTo(int pos) {
- // Ask the watchers to style, and stop as soon as one responds.
- for (int i = 0; pos > GetEndStyled() && i < lenWatchers; i++)
- watchers[i].watcher->NotifyStyleNeeded(this, watchers[i].userData, pos);
- return pos <= GetEndStyled();
+int Document::SetLineState(int line, int state) {
+ int statePrevious = cb.SetLineState(line, state);
+ if (state != statePrevious) {
+ DocModification mh(SC_MOD_CHANGELINESTATE, 0, 0, 0, 0, line);
+ NotifyModified(mh);
+ }
+ return statePrevious;
+}
+
+void Document::IncrementStyleClock() {
+ styleClock = (styleClock + 1) % 0x100000;
+}
+
+void Document::DecorationFillRange(int position, int value, int fillLength) {
+ if (decorations.FillRange(position, value, fillLength)) {
+ DocModification mh(SC_MOD_CHANGEINDICATOR | SC_PERFORMED_USER,
+ position, fillLength);
+ NotifyModified(mh);
+ }
}
bool Document::AddWatcher(DocWatcher *watcher, void *userData) {
}
void Document::NotifyModified(DocModification mh) {
+ if (mh.modificationType & SC_MOD_INSERTTEXT) {
+ decorations.InsertSpace(mh.position, mh.length);
+ } else if (mh.modificationType & SC_MOD_DELETETEXT) {
+ decorations.DeleteRange(mh.position, mh.length);
+ }
for (int i = 0; i < lenWatchers; i++) {
watchers[i].watcher->NotifyModified(this, mh, watchers[i].userData);
}
}
+
+bool Document::IsWordPartSeparator(char ch) {
+ return (WordCharClass(ch) == CharClassify::ccWord) && IsPunctuation(ch);
+}
+
+int Document::WordPartLeft(int pos) {
+ if (pos > 0) {
+ --pos;
+ char startChar = cb.CharAt(pos);
+ if (IsWordPartSeparator(startChar)) {
+ while (pos > 0 && IsWordPartSeparator(cb.CharAt(pos))) {
+ --pos;
+ }
+ }
+ if (pos > 0) {
+ startChar = cb.CharAt(pos);
+ --pos;
+ if (IsLowerCase(startChar)) {
+ while (pos > 0 && IsLowerCase(cb.CharAt(pos)))
+ --pos;
+ if (!IsUpperCase(cb.CharAt(pos)) && !IsLowerCase(cb.CharAt(pos)))
+ ++pos;
+ } else if (IsUpperCase(startChar)) {
+ while (pos > 0 && IsUpperCase(cb.CharAt(pos)))
+ --pos;
+ if (!IsUpperCase(cb.CharAt(pos)))
+ ++pos;
+ } else if (IsADigit(startChar)) {
+ while (pos > 0 && IsADigit(cb.CharAt(pos)))
+ --pos;
+ if (!IsADigit(cb.CharAt(pos)))
+ ++pos;
+ } else if (IsPunctuation(startChar)) {
+ while (pos > 0 && IsPunctuation(cb.CharAt(pos)))
+ --pos;
+ if (!IsPunctuation(cb.CharAt(pos)))
+ ++pos;
+ } else if (isspacechar(startChar)) {
+ while (pos > 0 && isspacechar(cb.CharAt(pos)))
+ --pos;
+ if (!isspacechar(cb.CharAt(pos)))
+ ++pos;
+ } else if (!isascii(startChar)) {
+ while (pos > 0 && !isascii(cb.CharAt(pos)))
+ --pos;
+ if (isascii(cb.CharAt(pos)))
+ ++pos;
+ } else {
+ ++pos;
+ }
+ }
+ }
+ return pos;
+}
+
+int Document::WordPartRight(int pos) {
+ char startChar = cb.CharAt(pos);
+ int length = Length();
+ if (IsWordPartSeparator(startChar)) {
+ while (pos < length && IsWordPartSeparator(cb.CharAt(pos)))
+ ++pos;
+ startChar = cb.CharAt(pos);
+ }
+ if (!isascii(startChar)) {
+ while (pos < length && !isascii(cb.CharAt(pos)))
+ ++pos;
+ } else if (IsLowerCase(startChar)) {
+ while (pos < length && IsLowerCase(cb.CharAt(pos)))
+ ++pos;
+ } else if (IsUpperCase(startChar)) {
+ if (IsLowerCase(cb.CharAt(pos + 1))) {
+ ++pos;
+ while (pos < length && IsLowerCase(cb.CharAt(pos)))
+ ++pos;
+ } else {
+ while (pos < length && IsUpperCase(cb.CharAt(pos)))
+ ++pos;
+ }
+ if (IsLowerCase(cb.CharAt(pos)) && IsUpperCase(cb.CharAt(pos - 1)))
+ --pos;
+ } else if (IsADigit(startChar)) {
+ while (pos < length && IsADigit(cb.CharAt(pos)))
+ ++pos;
+ } else if (IsPunctuation(startChar)) {
+ while (pos < length && IsPunctuation(cb.CharAt(pos)))
+ ++pos;
+ } else if (isspacechar(startChar)) {
+ while (pos < length && isspacechar(cb.CharAt(pos)))
+ ++pos;
+ } else {
+ ++pos;
+ }
+ return pos;
+}
+
+bool IsLineEndChar(char c) {
+ return (c == '\n' || c == '\r');
+}
+
+int Document::ExtendStyleRange(int pos, int delta, bool singleLine) {
+ int sStart = cb.StyleAt(pos);
+ if (delta < 0) {
+ while (pos > 0 && (cb.StyleAt(pos) == sStart) && (!singleLine || !IsLineEndChar(cb.CharAt(pos))) )
+ pos--;
+ pos++;
+ } else {
+ while (pos < (Length()) && (cb.StyleAt(pos) == sStart) && (!singleLine || !IsLineEndChar(cb.CharAt(pos))) )
+ pos++;
+ }
+ return pos;
+}
+
+static char BraceOpposite(char ch) {
+ switch (ch) {
+ case '(':
+ return ')';
+ case ')':
+ return '(';
+ case '[':
+ return ']';
+ case ']':
+ return '[';
+ case '{':
+ return '}';
+ case '}':
+ return '{';
+ case '<':
+ return '>';
+ case '>':
+ return '<';
+ default:
+ return '\0';
+ }
+}
+
+// TODO: should be able to extend styled region to find matching brace
+int Document::BraceMatch(int position, int /*maxReStyle*/) {
+ char chBrace = CharAt(position);
+ char chSeek = BraceOpposite(chBrace);
+ if (chSeek == '\0')
+ return - 1;
+ char styBrace = static_cast<char>(StyleAt(position) & stylingBitsMask);
+ int direction = -1;
+ if (chBrace == '(' || chBrace == '[' || chBrace == '{' || chBrace == '<')
+ direction = 1;
+ int depth = 1;
+ position = position + direction;
+ while ((position >= 0) && (position < Length())) {
+ position = MovePositionOutsideChar(position, direction);
+ char chAtPos = CharAt(position);
+ char styAtPos = static_cast<char>(StyleAt(position) & stylingBitsMask);
+ if ((position > GetEndStyled()) || (styAtPos == styBrace)) {
+ if (chAtPos == chBrace)
+ depth++;
+ if (chAtPos == chSeek)
+ depth--;
+ if (depth == 0)
+ return position;
+ }
+ position = position + direction;
+ }
+ return - 1;
+}
projects / wxWidgets.git / blobdiff