magix
Version:
view manager framewrok
271 lines (269 loc) • 9.74 kB
JavaScript
module.exports = function(content) {
var idCounter = 0;
var resolveComments = function(c) {
var cs = c.split(/\r\n|\r|\n/);
var o = {
//isa: 'OBJECT'
id: 'm' + (++idCounter)
},
example;
var processor = function(m, value) {
var name;
if (value.trim().charAt(0) == '@') {
value = value.trim();
var space = value.indexOf(' ');
name = space >= 0 ? value.substring(1, space) : value.substring(1);
value = space >= 0 ? value.substring(space + 1) : '';
}
if (!name && value) {
if (example) {
o.example = (o.example ? o.example + '\r\n' : '') + value;
} else {
o.desc = (o.desc ? o.desc + '\r\n' : '') + value;
}
}
if (name == 'name') {
o.name = value.trim();
}
if (name == 'example') {
example = 1;
o.example = (o.example ? o.example + '\r\n' : '') + value;
}
if (name == 'borrows') {
if (!o.inherits) o.inherits = [];
value.replace(/([\s\S]+) as ([\s\S]+)/, function(m, a, b) {
o.inherits.push({
alias: a,
as: b
});
});
}
if (name == 'namespace') {
o.isNamespace = true;
}
if (name == 'constructor') {
o.isa = 'CONSTRUCTOR';
o.isClass = true;
}
if (name == 'property') {
if (!o.properties) o.properties = [];
value.replace(/\{([^\}]+)\}\s+([\w\.\$]+)\s*([\S\s]*)/, function(m, type, param, desc) {
o.properties.push({
type: type,
desc: desc,
name: param,
id: 'm' + (++idCounter)
});
});
}
if (name == 'param') {
if (!o.params) o.params = [];
var nameReg = /\s*\[([^\[\]]+)\]\s*/;
value.replace(/\{([^\}]+)\}\s+([\w\.\[\]]+)\s*([\S\s]*)/, function(m, type, param, desc) {
var ms = param.match(nameReg);
var item = {
type: type,
desc: desc,
name: param
};
if (ms) {
item.isOptional = true;
item.name = ms[1];
}
o.params.push(item);
});
}
if (name == 'event') {
o.isEvent = true;
if (o.name.indexOf('#') == -1 && o.name.indexOf('.prototype.') == -1) o.isStatic = true;
o.name = o.name.replace(/^[\w\.]+[\.#]/, '');
}
if (name == 'return' || name == 'returns') {
o.returns = value;
}
if (name == 'beta') {
o.isOptional = true;
}
if (name == 'module') {
o.needModule = value.trim();
}
if (name == 'lends') {
o.lends = value.trim();
}
};
for (var i = 0; i < cs.length; i++) {
var line = cs[i];
line.replace(/\s*\*?([\s\S]*)/, processor);
}
if (o.example) o.example = o.example.trim();
return o;
};
var block = function(str) {
var flags = [];
var index = 0;
var blocks = [];
var next = function() {
return str.charAt(index + 1);
};
var last = function() {
var i = 1;
while (!str.charAt(index - i).trim()) i++;
return str.charAt(index - i);
};
var skipUntil = function(a, whole) {
while (true) {
if (whole) {
var s = str.substring(index, index + a.length);
if (s == a) {
index += a.length;
break;
}
index++;
} else {
if (a.indexOf(str.charAt(++index)) >= 0 && last() != '\\') break;
}
}
};
while (index < str.length) {
var c = str.charAt(index);
if (c == '{') {
flags.push({
start: index
});
} else if (c == '}') {
var o = flags.pop();
if (o) {
var s = str.substring(o.start, index + 1);
if (s.indexOf('/**') > -1) {
blocks.push(s);
}
}
}
if (c == '/') { //注释与正则相关
if (next() == '/') skipUntil('\r\n'); //单行注释
else if (next() == '*') skipUntil('*/', true); //多行注释
else if (last() == '=') {
var lastIndex = index;
skipUntil('/'); //上一个字符是＝号，则是正则
index++;
console.log('skip regex', str.substring(lastIndex, index));
}
}
index++;
}
blocks.pop(); //弹出最外层的define
return blocks;
};
var remain = function(blocks) {
var remain = content;
for (var i = blocks.length - 1; i >= 0; i--) {
remain = remain.replace(blocks[i], '');
}
return remain;
};
var lends = function(o, name, block) {
var reg = /\/\*\*([\s\S]+?)\*\/([^*\/]+?)[=:]/g;
var isStatic = !/(?:#|\.prorotype)$/.test(name);
var sname = name.replace(/(?:#|\.prototype)$/, '');
block.replace(reg, function(m, c, n) {
if (!o.methods) o.methods = [];
c = resolveComments(c);
c.memberOf = sname;
c.name = n.replace(/\s|(?:[\s\S]*?\.)/g, '');
if (isStatic && o.isa == 'CONSTRUCTOR') c.isStatic = true;
o.methods.push(c);
});
};
var root = function(remain) {
var o = {};
var reg = /\/\*\*([\s\S]+?)\*\//g;
var ls = [];
remain.replace(reg, function(m, c) {
c = resolveComments(c); //
if (c.name) {
o[c.name] = c;
}
if (c.lends) { //简单修正最外层的
var idx = remain.indexOf(m);
var equal = remain.indexOf('*/', idx) + 2;
equal = remain.indexOf('=', equal) + 1;
ls.push({
name: c.lends,
sname: c.lends.replace(/(?:#|\.prototype)$/, ''),
block: remain.substring(idx, equal)
});
}
});
for (var i = 0, l; i < ls.length; i++) {
l = ls[i];
if (o[l.sname]) {
lends(o[l.sname], l.name, l.block);
}
}
return o;
};
var attach = function(root, blocks) {
for (var i = 0; i < blocks.length; i++) {
var block = blocks[i];
var m = block.match(/@lends\s+([\w#]+)/);
var name = m && m[1];
if (name) {
var sname = name.replace(/(?:#|\.prototype)$/, '');
block = block.replace(/\/\*[\s\S]*?@lends[\s\S]*?\*\//, '');
var o = root[sname];
block = block.replace(/\/\*\*([\s\S]+?)\*\//g, function(m, c) {
c = resolveComments(c);
c.memberOf = sname;
if (c.isEvent) {
if (!o.events) o.events = [];
o.events.push(c);
delete c.isEvent;
return '';
}
return m;
});
lends(o, name, block);
}
}
};
var cloneMethod = function(o) {
var r = {};
for (var p in o) {
r[p] = o[p];
}
return r;
};
var borrows = function(root) {
for (var p in root) {
var one = root[p];
if (one.inherits) {
for (var i = 0; i < one.inherits.length; i++) {
var ih = one.inherits[i];
var ts = ih.alias.split('.');
var name = ts[0];
var m = ts[1];
var target = root[name];
if (target) {
var mds = target.methods;
for (var j = mds.length - 1; j >= 0; j--) {
var md = mds[j];
if (md.name == m) {
md = cloneMethod(md);
md.id = 'm' + (++idCounter);
if (ih.as.indexOf('#') !== 0) md.isStatic = true;
if (!one.methods) one.methods = [];
one.methods.push(md);
}
}
}
}
}
}
};
var bs = block(content); //根据大括号分区块
var rm = remain(bs); //分块后遗留的代码，主入口
var main = root(rm); //全局根对象或类
attach(main, bs); //处理借给
borrows(main); //处理借到
return main;
};