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make wrapping friendlier to code:

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- allow wrapping text at punctuation as well as space
 - do not search for wrap point too far away from the line end
This commit is contained in:
nightwing 2011-10-23 01:22:51 +05:00
commit b8e934b1bf
1 changed files with 16 additions and 13 deletions
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29
lib/ace/edit_session.js
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@ -1197,6 +1197,7 @@ var EditSession = function(text, mode) {
CHAR_EXT = 2, CHAR_EXT = 2,
PLACEHOLDER_START = 3, PLACEHOLDER_START = 3,
PLACEHOLDER_BODY = 4, PLACEHOLDER_BODY = 4,
PUNCTUATION = 9,
SPACE = 10, SPACE = 10,
TAB = 11, TAB = 11,
TAB_SPACE = 12; TAB_SPACE = 12;
@ -1240,7 +1241,7 @@ var EditSession = function(text, mode) {
// a split is simple. // a split is simple.
if (tokens[split] >= SPACE) { if (tokens[split] >= SPACE) {
// Include all following spaces + tabs in this split as well. // Include all following spaces + tabs in this split as well.
while (tokens[split] >= SPACE) { while (tokens[split] >= SPACE) {
split ++; split ++;
} }
addSplit(split); addSplit(split);
@ -1295,16 +1296,16 @@ var EditSession = function(text, mode) {
} }
// === ELSE === // === ELSE ===
// Search for the first non space/tab/placeholder token backwards. // Search for the first non space/tab/placeholder/punctuation token backwards.
for (split; split != lastSplit - 1; split--) { var minSplit = Math.max(split - 10, lastSplit - 1);
if (tokens[split] >= PLACEHOLDER_START) { while (split > minSplit && tokens[split] < PLACEHOLDER_START) {
split++; split --;
break;
}
} }
// If we found one, then add the split. // If we found one, then add the split.
if (split > lastSplit) { if (split > minSplit) {
addSplit(split); while(split > minSplit && tokens[split] == PUNCTUATION)
split --;
addSplit(++split);
continue; continue;
} }
@ -1312,7 +1313,7 @@ var EditSession = function(text, mode) {
split = lastSplit + wrapLimit; split = lastSplit + wrapLimit;
// The split is inside of a CHAR or CHAR_EXT token and no space // The split is inside of a CHAR or CHAR_EXT token and no space
// around -> force a split. // around -> force a split.
addSplit(lastSplit + wrapLimit); addSplit(split);
} }
return splits; return splits;
} }
@ -1338,11 +1339,13 @@ var EditSession = function(text, mode) {
} }
} }
// Space // Space
else if(c == 32) { else if (c == 32) {
arr.push(SPACE); arr.push(SPACE);
} else if((c > 39 && c < 48) || (c > 57 && c < 64)) {
arr.push(PUNCTUATION);
} }
// full width characters // full width characters
else if (isFullWidth(c)) { else if (c >= 0x1100 && isFullWidth(c)) {
arr.push(CHAR, CHAR_EXT); arr.push(CHAR, CHAR_EXT);
} else { } else {
arr.push(CHAR); arr.push(CHAR);
@ -1378,7 +1381,7 @@ var EditSession = function(text, mode) {
screenColumn += this.getScreenTabSize(screenColumn); screenColumn += this.getScreenTabSize(screenColumn);
} }
// full width characters // full width characters
else if (isFullWidth(c)) { else if (c >= 0x1100 && isFullWidth(c)) {
screenColumn += 2; screenColumn += 2;
} else { } else {
screenColumn += 1; screenColumn += 1;