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export class LabelBMFontHelper {
private static FNT_HEAD = /fntframes [^\n]*(\n|$)/gi;
private static FNT_FRAME_NAME = /fntframe [^\n]*(\n|$)/gi;
private static INFO_EXP = /info [^\n]*(\n|$)/gi;
private static COMMON_EXP = /common [^\n]*(\n|$)/gi;
private static PAGE_EXP = /page [^\n]*(\n|$)/gi;
private static CHAR_EXP = /char [^\n]*(\n|$)/gi;
private static KERNING_EXP = /kerning [^\n]*(\n|$)/gi;
private static ITEM_EXP = /\w+=[^ \r\n]+/gi;
private static INT_EXP = /^[\-]?\d+$/;
public static parseFnt(fntStr, url) {
let fnt = {};
let headString = fntStr.match(LabelBMFontHelper.FNT_HEAD);
fnt = this.parseFntContent(fnt, fntStr, url, null);
return fnt;
}
private static parseStrToObj(str) {
let arr = str.match(LabelBMFontHelper.ITEM_EXP);
let obj = {};
if (arr) {
for (let i = 0, li = arr.length; i < li; i++) {
let tempStr = arr[i];
let index = tempStr.indexOf("=");
let key = tempStr.substring(0, index);
let value = tempStr.substring(index + 1);
if (value.match(LabelBMFontHelper.INT_EXP)) value = parseInt(value);
else if (value[0] === '"') value = value.substring(1, value.length - 1);
obj[key] = value;
}
}
return obj;
}
private static parseFntContent(fnt, fntStr, url, useAtlas: any) {
let self = this;
let commonObj = self.parseStrToObj(fntStr.match(LabelBMFontHelper.COMMON_EXP)[0]);
fnt.commonHeight = commonObj["lineHeight"];
var infoObj = self.parseStrToObj(fntStr.match(self.INFO_EXP)[0]);
fnt.fontSize = infoObj["size"];
let padding = infoObj["padding"].split(",");
fnt.padding = padding.map((item:string)=>{
if(item.indexOf(".")!=-1){
return parseFloat(item);
}
return parseInt(item);
});
let pageObj = self.parseStrToObj(fntStr.match(LabelBMFontHelper.PAGE_EXP)[0]);
if (pageObj["id"] !== 0) console.log("cc.LabelBMFontHelper._parseImageFileName() : file could not be found");
if (!useAtlas) {
fnt.atlasName = SMPath.path.changeBasename(url, pageObj["file"], false);
} else {
fnt.atlasName = SMPath.path.join(SMPath.path.dirname(useAtlas.path) + pageObj["file"]);
}
let charLines = fntStr.match(LabelBMFontHelper.CHAR_EXP);
let fontDefDictionary = fnt.fontDefDictionary = {};
for (let i = 0, li = charLines.length; i < li; i++) {
let charObj = self.parseStrToObj(charLines[i]);
let charId = charObj["id"];
fontDefDictionary[charId] = {
rect: {x: charObj["x"], y: charObj["y"], width: charObj["width"], height: charObj["height"]},
xoffset: charObj["xoffset"],
yoffset: charObj["yoffset"],
xadvance: charObj["xadvance"]
};
}
let kerningDict = fnt.kerningDict = {};
let kerningLines = fntStr.match(LabelBMFontHelper.KERNING_EXP);
if (kerningLines) {
for (let i = 0, li = kerningLines.length; i < li; i++) {
let kerningObj = self.parseStrToObj(kerningLines[i]);
kerningDict[(kerningObj["first"] << 16) | (kerningObj["second"] & 0xffff)] = kerningObj["amount"];
}
}
return fnt;
}
}
export class SMPath {
static get path(): SMPath {
if (!this._Ins) this._Ins = new SMPath();
return this._Ins;
}
private static _Ins: SMPath;
public join(data: any) {
let l = arguments.length;
let result = "";
for (let i = 0; i < l; i++) {
result = (result + (result === "" ? "" : "/") + arguments[i]).replace(/(\/|\\\\)$/, "");
}
return result;
}
extname(pathStr) {
let temp = /(\.[^\.\/\?\\]*)(\?.*)?$/.exec(pathStr);
return temp ? temp[1] : null;
}
dirname(pathStr) {
return pathStr.replace(/((.*)(\/|\\|\\\\))?(.*?\..*$)?/, '$2');
}
changeExtname(pathStr, extname) {
extname = extname || "";
let index = pathStr.indexOf("?");
let tempStr = "";
if (index > 0) {
tempStr = pathStr.substring(index);
pathStr = pathStr.substring(0, index);
}
index = pathStr.lastIndexOf(".");
if (index < 0) return pathStr + extname + tempStr;
return pathStr.substring(0, index) + extname + tempStr;
}
changeBasename(pathStr, basename, isSameExt) {
if (basename.indexOf(".") === 0) return this.changeExtname(pathStr, basename);
let index = pathStr.indexOf("?");
let tempStr = "";
let ext = isSameExt ? this.extname(pathStr) : "";
if (index > 0) {
tempStr = pathStr.substring(index);
pathStr = pathStr.substring(0, index);
}
index = pathStr.lastIndexOf("/");
index = index <= 0 ? 0 : index + 1;
return pathStr.substring(0, index) + basename + ext + tempStr;
}
}
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