validateProperties()

in console-ui/src/utils/validateContent.js [154:240]

• 80 lines of code
• 24 McCabe index (conditional complexity)

  validateProperties(str = '') {
    let isNewLine = true;
    let isCommentLine = false;
    let isSkipWhiteSpace = true;
    let precedingBackslash = false;
    let appendedLineBegin = false;
    let skipLF = false;
    let hasProperty = false;
    let property = [];
    for (let i = 0; i < str.length; i++) {
      let c = str[i];

      if (skipLF) {
        skipLF = false;
        if (c === '\n') {
          continue;
        }
      }
      // 跳过行首空白字符
      if (isSkipWhiteSpace) {
        if (c === ' ' || c === '\t' || c === '\f') {
          continue;
        }
        if (!appendedLineBegin && (c === '\r' || c === '\n')) {
          continue;
        }
        appendedLineBegin = false;
        isSkipWhiteSpace = false;
      }

      // 判断注释行
      if (isNewLine) {
        isNewLine = false;
        if (c === '#' || c === '!') {
          isCommentLine = true;
          continue;
        }
      }

      if (c !== '\n' && c !== '\r') {
        property.push(c);
        if (c === '\\') {
          precedingBackslash = !precedingBackslash;
        } else {
          precedingBackslash = false;
        }
        continue;
      }

      // 跳过注释行
      if (isCommentLine || property.length === 0) {
        isNewLine = true;
        isCommentLine = false;
        isSkipWhiteSpace = true;
        property = [];
        continue;
      }

      // 处理转移字符
      if (precedingBackslash) {
        property.pop();
        precedingBackslash = false;
        isSkipWhiteSpace = true;
        appendedLineBegin = true;
        if (c === '\r') {
          skipLF = true;
        }
        continue;
      }
      // 解析出配置项
      // 进行校验
      if (!validateProperty(property)) {
        return false;
      }
      hasProperty = true;
      property = [];
      isNewLine = true;
      isSkipWhiteSpace = true;
    }

    // 校验最后一行
    if (property.length > 0 && !isCommentLine) {
      return validateProperty(property);
    }

    return hasProperty;
  },