jsedit.cpp File Reference

#include "jsedit.h"

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Classes
struct	BlockInfo
class	SidebarWidget
class	JSDocLayout
class	JSEditPrivate

Functions
	Q_DECLARE_TYPEINFO (BlockInfo, Q_PRIMITIVE_TYPE)
static int	findClosingMatch (const QTextDocument *doc, int cursorPosition)
static int	findOpeningMatch (const QTextDocument *doc, int cursorPosition)
static int	findClosingConstruct (const QTextBlock &block)

Function Documentation

findClosingConstruct()

static int findClosingConstruct ( const QTextBlock &  block )

static

Definition at line 754 of file jsedit.cpp.

{
    if (!block.isValid())
        return -1;
    JSBlockData *blockData = reinterpret_cast<JSBlockData*>(block.userData());
    if (!blockData)
        return -1;
    if (blockData->bracketPositions.isEmpty())
        return -1;
    const QTextDocument *doc = block.document();
    int offset = block.position();
    foreach (int pos, blockData->bracketPositions) {
        int absPos = offset + pos;
        if (doc->characterAt(absPos) == '{') {
            int matchPos = findClosingMatch(doc, absPos);
            if (matchPos >= 0)
                return matchPos;
        }
    }
    return -1;
}

References JSBlockData::bracketPositions, and findClosingMatch().

Referenced by JSEdit::fold(), JSEdit::isFoldable(), and JSEdit::unfold().

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findClosingMatch()

static int findClosingMatch ( const QTextDocument *  doc, int  cursorPosition  )

static

Definition at line 534 of file jsedit.cpp.

{
    QTextBlock block = doc->findBlock(cursorPosition);
    JSBlockData *blockData = reinterpret_cast<JSBlockData*>(block.userData());
    if (!blockData->bracketPositions.isEmpty()) {
        int depth = 1;
        while (block.isValid()) {
            blockData = reinterpret_cast<JSBlockData*>(block.userData());
            if (blockData && !blockData->bracketPositions.isEmpty()) {
                for (int c = 0; c < blockData->bracketPositions.count(); ++c) {
                    int absPos = block.position() + blockData->bracketPositions.at(c);
                    if (absPos <= cursorPosition)
                        continue;
                    if (doc->characterAt(absPos) == '{')
                        depth++;
                    else
                        depth--;
                    if (depth == 0)
                        return absPos;
                }
            }
            block = block.next();
        }
    }
    return -1;
}

References JSBlockData::bracketPositions.

Referenced by findClosingConstruct(), and JSEdit::updateCursor().

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findOpeningMatch()

static int findOpeningMatch ( const QTextDocument *  doc, int  cursorPosition  )

static

Definition at line 561 of file jsedit.cpp.

{
    QTextBlock block = doc->findBlock(cursorPosition);
    JSBlockData *blockData = reinterpret_cast<JSBlockData*>(block.userData());
    if (!blockData->bracketPositions.isEmpty()) {
        int depth = 1;
        while (block.isValid()) {
            blockData = reinterpret_cast<JSBlockData*>(block.userData());
            if (blockData && !blockData->bracketPositions.isEmpty()) {
                for (int c = blockData->bracketPositions.count() - 1; c >= 0; --c) {
                    int absPos = block.position() + blockData->bracketPositions.at(c);
                    if (absPos >= cursorPosition - 1)
                        continue;
                    if (doc->characterAt(absPos) == '}')
                        depth++;
                    else
                        depth--;
                    if (depth == 0)
                        return absPos;
                }
            }
            block = block.previous();
        }
    }
    return -1;
}

References JSBlockData::bracketPositions.

Referenced by JSEdit::updateCursor().

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Q_DECLARE_TYPEINFO()

Q_DECLARE_TYPEINFO	(	BlockInfo	,
		Q_PRIMITIVE_TYPE
	)