笙默考试管理系统-MyExamTest----codemirror（35）
目录
return {start: stream.start,
end: stream.pos,
string: stream.current(),
className: style || null,
state: state};
},
indentation: function(tabSize) {return countColumn(this.text, null, tabSize);},
// Produces an HTML fragment for the line, taking selection,
// marking, and highlighting into account.
getHTML: function(sfrom, sto, includePre, tabText, endAt) {
var html = [], first = true;
if (includePre)
html.push(this.className ? '': "
");
function span(text, style) {
if (!text) return;
// Work around a bug where, in some compat modes, IE ignores leading spaces
if (first && ie && text.charAt(0) == " ") text = "\u00a0" + text.slice(1);
first = false;
if (style) html.push('', htmlEscape(text).replace(/\t/g, tabText), "");
else html.push(htmlEscape(text).replace(/\t/g, tabText));
}
var st = this.styles, allText = this.text, marked = this.marked;
if (sfrom == sto) sfrom = null;
var len = allText.length;
if (endAt != null) len = Math.min(endAt, len);
if (!allText && endAt == null)
span(" ", sfrom != null && sto == null ? "CodeMirror-selected" : null);
else if (!marked && sfrom == null)
for (var i = 0, ch = 0; ch < len; i+=2) {
var str = st[i], style = st[i+1], l = str.length;
if (ch + l > len) str = str.slice(0, len - ch);
ch += l;
span(str, style && "cm-" + style);
}
else {
var pos = 0, i = 0, text = "", style, sg = 0;
var markpos = -1, mark = null;
function nextMark() {
if (marked) {
markpos += 1;
mark = (markpos < marked.length) ? marked[markpos] : null;
}
}
nextMark();
while (pos < len) {
var upto = len;
var extraStyle = "";
if (sfrom != null) {
if (sfrom > pos) upto = sfrom;
else if (sto == null || sto > pos) {
extraStyle = " CodeMirror-selected";
if (sto != null) upto = Math.min(upto, sto);
}
}
while (mark && mark.to != null && mark.to <= pos) nextMark();
if (mark) {
if (mark.from > pos) upto = Math.min(upto, mark.from);
else {
extraStyle += " " + mark.style;
if (mark.to != null) upto = Math.min(upto, mark.to);
}
}