@ccos/ccweb-cli/makeExample.js

Coocaa WebOS APP Command-Line Tools.

const path = require('path');
const fs = require('fs');
const alldatas_svelte = require('./example_svelte');
const alldatas_vue = require('./example_vue3');
const alldatas_react = require('./example_react');

function endWithNullChar(str1) {
    let index = str1.indexOf('\0');
    if (index > 0) {
        return str1.substr(0, index);
    } else if (index == 0) {
        return '';
    } 
    return str1;
}

function extractExampleFiles(srcType) {
    let yushu = 0;                                          // 已经处理的文件大小的余数
    let firstWrite = false;
    let curFileName = '';
    let longLinkFlag = false;
    let longLinkName = '';
    let longLinkNameCombin = '';

    let curDir = process.cwd();
    console.log('当前目录为:' + curDir);

    let alldatas;
    if (isJs == 1) {
        alldatas = alldatas_svelte;
    } else if (isJs == 2) {
        alldatas = alldatas_vue;
    } else if (isJs == 2) {
        alldatas = alldatas_react;
    } else {
        alldatas = alldatas_svelte;
    }

    for (let base64Str of alldatas) {
        let buffer = Buffer.from(base64Str, 'base64');
        if (yushu == 0) {
            let nameB = buffer.slice(0, 100);
            let name = nameB.toString('utf8');
            name = endWithNullChar(name);
            if (name == '')
                continue;

            let flagB = buffer.slice(0x9C, 0x9D);
            let flag = flagB.toString('utf8');
            if (flag == 'L' || name == '././@LongLink') {
                console.log('正在处理：' + name);
                let longLinkSizeB = buffer.slice(100 + 8 + 8 + 8, 100 + 8 + 8 + 8 + 12);
                let longLinkSizeS = longLinkSizeB.toString('utf8');
                longLinkSizeS = endWithNullChar(longLinkSizeS);
                let fileSize = parseInt(longLinkSizeS, 8);
                yushu = fileSize;
                longLinkFlag = true;
                longLinkName = '';
                longLinkNameCombin = '';
                continue;
            } else {
                longLinkFlag = false;
            }

            if (flag == '5') {
                //console.log('目录');
                yushu = 0;
                firstWrite = true;
                curFileName = name;
                // 创建目录
                let realName = null;
                if (longLinkName != '')
                    realName = longLinkName;
                else
                    realName = curFileName;
                console.log('正在生成：' + realName);
                const dirName = path.join(process.cwd(), realName);
                fs.mkdirSync(dirName);
                longLinkName = '';
                longLinkNameCombin = '';
            } else {
                let fileSizeB = buffer.slice(100 + 8 + 8 + 8, 100 + 8 + 8 + 8 + 12);
                let fileSizeS = fileSizeB.toString('utf8');
                fileSizeS = endWithNullChar(fileSizeS);
                let fileSize = parseInt(fileSizeS, 8);
                yushu = fileSize;
                firstWrite = true;
                curFileName = name;
                console.log('正在生成：' + ((longLinkName != '') ? longLinkName : curFileName));
            }
        } else {
            let writeSize = (yushu >= 512) ? 512 : yushu;
            let writeBuf = null;
            if (writeSize == 512) {
                writeBuf = buffer;
            } else {
                writeBuf = buffer.slice(0, writeSize);
            }
            //
            if (!longLinkFlag) {      // 正常文件
                let filePath = null;
                if (longLinkName != '')
                    filePath = path.join(process.cwd(), longLinkName);
                else
                    filePath = path.join(process.cwd(), curFileName);
                if (firstWrite) {
                    fs.writeFileSync(filePath, writeBuf);
                } else {
                    fs.appendFileSync(filePath, writeBuf);
                }
                firstWrite = false;
                //
                yushu -= 512;
                if (yushu < 0)
                    yushu = 0;
                //
                if (yushu == 0) {
                    longLinkName = '';
                }
            }
            else {          // 这里是文件块内容作为 LongLink 的情况
                let str = writeBuf.toString('utf8');
                str = endWithNullChar(str);
                longLinkNameCombin += str;
                //
                yushu -= 512;
                if (yushu < 0)
                    yushu = 0;
                //
                if (yushu == 0) {
                    longLinkName = longLinkNameCombin;
                }
            }
        }
    }
}

module.exports = extractExampleFiles;