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Last active May 25, 2019

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处理 termtosvg 录制的SVG 对中文显示不友好的问题

termtosvg 录制的 SVG 在有中文等字符输出时会挤压在一起 , 此脚本专门用于解决此问题

Usage: <svgfile> [options]
Options:
  -o, --outDir <dir>  指定输出目录, 默认输出到当前目录

一行代码解决有问题的svg

npx https://gist.github.com/cnwhy/7cad3be853a188823c077df1182f6b1a /tmp/termtosvg_d4pd0f4p.svg
{
"name": "termtosvg-CN-fix",
"version": "0.0.1",
"bin": "./termtosvg-fix.js",
"dependencies": {
"commander": "^2.19.0"
}
}
#!/usr/bin/env node
// 处理 termtosvg 录制的SVG 对中文显示不友好的问题
const program = require('commander');
const path = require('path');
const fs = require('fs');
//常见非标宽字符区间
const Ukuan = [
'2460-24FF', //括号字母数字
'27F0-27FF', //补充大箭头1
'2900-297F', //补充大箭头2
'2B00-2BFF', //补充大箭头3
'2E80-9FFF', //中日韩
'F900-FAFF', //中日韩相容表意文字
'FE10-FE1F', //竖式标点
'FE30-FE4F', //中日韩相容形式
'FF00-FFEF', //全角字符
];
const Ukuan_rang = Ukuan.map(v=>v.split('-').map(i=>parseInt(i,16)));
const Ukuan_reg = new RegExp('['+Ukuan.map(v=>v.split('-').map(i=>'\\u'+i).join('-')).join('')+']');
const reg_text = /<text[^>]*(textLength="\d+")[^>]*>(.*?)<\/text>/g;
const hasKuang = function(str){
if(Ukuan_reg.test(str)){
return true
}else{
var codes = str.match(/&(?:#[xX][\da-fA-F]+|#\d+);/g);
if(codes){
for(let s of codes){
if (s.charAt(1) === '#') {
let code;
if (s.charAt(2) === 'X' || s.charAt(2) === 'x') {
// return decodeCodePoint(parseInt(str.substr(3), 16));
code = parseInt(s.substr(3), 16)
}
code = parseInt(s.substr(2), 10);
for(let i=0; i<Ukuan_rang.length; i++){
let range = Ukuan_rang[i];
if(code >= range[0] && code <= range[1]){
return true;
}
}
}
}
}
}
}
const fixCN = function(xmlstr){
return xmlstr.replace(reg_text,function(str,attr,content){
if(hasKuang(content)){
str = str.replace(attr,'');
}
return str;
})
}
// const xml_map = { amp: '&', apos: "'", gt: '>', lt: '<', quot: '"' };
// const xmlReplace = function() {
// if (str.charAt(1) === '#') {
// if (str.charAt(2) === 'X' || str.charAt(2) === 'x') {
// return decodeCodePoint(parseInt(str.substr(3), 16));
// }
// return decodeCodePoint(parseInt(str.substr(2), 10));
// }
// return xml_map[str.slice(1, -1)];
// };
// const xmlDecode = (function() {
// var keys = Object.keys(map).join('|');
// keys += '|#[xX][\\da-fA-F]+|#\\d+';
// var re = new RegExp('&(?:' + keys + ');', 'g');
// return function(str) {
// return String(str).replace(re, xmlReplace);
// };
// })();
function main(files = [], outDir = './') {
// const files = args._ || [];
let filesPath = files.map(file => path.resolve(process.cwd(), file));
let outPath = files.map(p=>path.join(outDir, 'convert-' + path.parse(p).base));
let contents = filesPath.map(file => fs.readFileSync(file).toString());
contents.forEach((xml,index)=>{
fs.writeFileSync(outPath[index], fixCN(xml));
})
console.log('处理完成:')
console.log(outPath.join('\n'));
}
program.usage('<file> [options]');
program.option('-o, --outDir <dir>', '指定输出目录');
program.parse(process.argv);
if (program.args.length) {
main(program.args, program.outDir);
}
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