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Merge pull request #1996 from adamjimenez/jump-to-matching-tag

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Jump To Matching Tag
This commit is contained in:
Harutyun Amirjanyan 2014-06-10 21:23:20 +04:00
commit 08b88485c8
1 changed files with 145 additions and 12 deletions
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157
lib/ace/editor.js
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@ -2000,24 +2000,157 @@ var Editor = function(renderer, session) {
};
/**
* Moves the cursor's row and column to the next matching bracket.
* Moves the cursor's row and column to the next matching bracket or HTML tag.
*
**/
this.jumpToMatching = function(select) {
var cursor = this.getCursorPosition();
var iterator = new TokenIterator(this.session, cursor.row, cursor.column);
var prevToken = iterator.getCurrentToken();
var token = prevToken;
var range = this.session.getBracketRange(cursor);
if (!range) {
range = this.find({
needle: /[{}()\[\]]/g,
preventScroll:true,
start: {row: cursor.row, column: cursor.column - 1}
});
if (!range)
if (!token)
token = iterator.stepForward();
if (!token)
return;
//get next closing tag or bracket
var matchType;
var found = false;
var depth = {};
var i = cursor.column - token.start;
var bracketType;
var brackets = {
")": "(",
"(": "(",
"]": "[",
"[": "[",
"{": "{",
"}": "{"
};
do {
if (token.value.match(/[{}()\[\]]/g)) {
for (; i<token.value.length && !found; i++) {
if (!brackets[token.value[i]]) {
continue;
}
bracketType = brackets[token.value[i]]+'.'+token.type.replace("rparen", "lparen");
if (isNaN(depth[bracketType])) {
depth[bracketType] = 0;
}
switch (token.value[i]) {
case '(':
case '[':
case '{':
depth[bracketType]++;
break;
case ')':
case ']':
case '}':
depth[bracketType]--;
if (depth[bracketType]===-1) {
matchType = 'bracket';
found = true;
}
break;
}
}
} else if (token && token.type.indexOf('tag-name') !== -1) {
if (isNaN(depth[token.value])) {
depth[token.value] = 0;
}
if (prevToken.value === '<') {
depth[token.value]++;
} else if (prevToken.value === '</') {
depth[token.value]--;
}
if (depth[token.value] === -1) {
matchType = 'tag';
found = true;
}
}
if (!found) {
prevToken = token;
token = iterator.stepForward();
i = 0;
}
} while (token && !found);
//no match found
if (!matchType) {
return;
}
var range;
if (matchType==='bracket') {
range = this.session.getBracketRange(cursor);
if (!range) {
range = new Range(
iterator.getCurrentTokenRow(),
iterator.getCurrentTokenColumn()+i-1,
iterator.getCurrentTokenRow(),
iterator.getCurrentTokenColumn()+i-1
);
if (!range)
return;
var pos = range.start;
if (pos.row === cursor.row && Math.abs(pos.column - cursor.column) < 2)
range = this.session.getBracketRange(pos);
}
} else if(matchType==='tag') {
if (token && token.type.indexOf('tag-name') !== -1)
var tag = token.value;
else
return;
var pos = range.start;
if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
range = this.session.getBracketRange(pos);
var range = new Range(
iterator.getCurrentTokenRow(),
iterator.getCurrentTokenColumn()-2,
iterator.getCurrentTokenRow(),
iterator.getCurrentTokenColumn()-2
);
//find matching tag
if (range.compare(cursor.row, cursor.column) === 0) {
found = false;
do {
token = prevToken;
prevToken = iterator.stepBackward();
if (prevToken) {
if (prevToken.type.indexOf('tag-close') !== -1) {
range.setEnd(iterator.getCurrentTokenRow(), iterator.getCurrentTokenColumn()+1);
}
if (token.value === tag && token.type.indexOf('tag-name') !== -1) {
if (prevToken.value === '<') {
depth[tag]++;
} else if ( prevToken.value === '</') {
depth[tag]--;
}
if (depth[tag]===0)
found = true;
}
}
} while (prevToken && !found);
}
//we found it
if (token && token.type.indexOf('tag-name')) {
var pos = range.start;
if (pos.row == cursor.row && Math.abs(pos.column - cursor.column) < 2)
pos = range.end;
}
}
pos = range && range.cursor || pos;