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// SciTE - Scintilla based Text Editor
// Accessor.cxx - rapid easy access to contents of a Scintilla
// Copyright 1998-2000 by Neil Hodgson <neilh@scintilla.org>
// The License.txt file describes the conditions under which this software may be distributed.
#include <stdlib.h>
#include <stdio.h>
#include "Platform.h"
#include "PropSet.h"
#include "Accessor.h"
#include "Scintilla.h"
void Accessor::Fill(int position) {
if (lenDoc == -1)
lenDoc = Platform::SendScintilla(id, WM_GETTEXTLENGTH, 0, 0);
startPos = position - slopSize;
if (startPos + bufferSize > lenDoc)
startPos = lenDoc - bufferSize;
if (startPos < 0)
startPos = 0;
endPos = startPos + bufferSize;
if (endPos > lenDoc)
endPos = lenDoc;
TEXTRANGE tr = {{startPos, endPos}, buf};
Platform::SendScintilla(id, EM_GETTEXTRANGE, 0, reinterpret_cast<LPARAM>(&tr));
}
char Accessor::StyleAt(int position) {
return static_cast<char>(Platform::SendScintilla(
id, SCI_GETSTYLEAT, position, 0));
}
int Accessor::GetLine(int position) {
return Platform::SendScintilla(id, EM_LINEFROMCHAR, position, 0);
}
int Accessor::LineStart(int line) {
return Platform::SendScintilla(id, EM_LINEINDEX, line, 0);
}
int Accessor::LevelAt(int line) {
return Platform::SendScintilla(id, SCI_GETFOLDLEVEL, line, 0);
}
int Accessor::Length() {
if (lenDoc == -1)
lenDoc = Platform::SendScintilla(id, WM_GETTEXTLENGTH, 0, 0);
return lenDoc;
}
int Accessor::GetLineState(int line) {
return Platform::SendScintilla(id, SCI_GETLINESTATE, line);
}
int Accessor::SetLineState(int line, int state) {
return Platform::SendScintilla(id, SCI_SETLINESTATE, line, state);
}
void StylingContext::StartAt(unsigned int start, char chMask) {
Platform::SendScintilla(id, SCI_STARTSTYLING, start, chMask);
}
void StylingContext::ColourSegment(unsigned int start, unsigned int end, int chAttr) {
// Only perform styling if non empty range
if (end != start - 1) {
if (end < start) {
Platform::DebugPrintf("Bad colour positions %d - %d\n", start, end);
}
if (validLen + (end - start + 1) >= bufferSize)
Flush();
if (validLen + (end - start + 1) >= bufferSize) {
// Too big for buffer so send directly
Platform::SendScintilla(id, SCI_SETSTYLING, end - start + 1, chAttr);
} else {
if (chAttr != chWhile)
chFlags = 0;
chAttr |= chFlags;
for (unsigned int i = start; i <= end; i++) {
styleBuf[validLen++] = chAttr;
}
}
}
}
void StylingContext::StartSegment(unsigned int pos) {
startSeg = pos;
}
void StylingContext::ColourTo(unsigned int pos, int chAttr) {
ColourSegment(startSeg, pos, chAttr);
startSeg = pos+1;
}
int StylingContext::GetLine(int position) {
return Platform::SendScintilla(id, EM_LINEFROMCHAR, position, 0);
}
void StylingContext::SetLevel(int line, int level) {
Platform::SendScintilla(id, SCI_SETFOLDLEVEL, line, level);
}
void StylingContext::Flush() {
if (validLen > 0) {
Platform::SendScintilla(id, SCI_SETSTYLINGEX, validLen,
reinterpret_cast<LPARAM>(styleBuf));
validLen = 0;
}
}
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