feat(All):Initial

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2025-10-04 23:36:07 +08:00
commit 2b4e5d2668
1321 changed files with 415958 additions and 0 deletions
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import log from '@/utils/log/Logger';
export interface IGroup {
code: number;
value: number | string | boolean;
}
/**
* DxfArrayScanner
*
* 基于AutoCAD 2012 DXF参考
* http://images.autodesk.com/adsk/files/autocad_2012_pdf_dxf-reference_enu.pdf
*
* 读取表示dxf文件行的数组。接受一个数组,并提供一个简单的接口来提取组代码和值对。
* @param data - 一个数组,其中每个元素表示DXF文件中的一行
* @constructor
*/
export default class DxfArrayScanner {
private _pointer = 0;
private _eof = false;
public lastReadGroup: IGroup | undefined;
private _data: string[];
constructor(data: string[]) {
this._data = data;
// console.log('this._data:', this._data);
}
/**
* 从数组中获取下一组(代码、值)。组是数组中两个连续的元素。第一个是代码,第二个是值。
* @returns {{code: Number}|*}
*/
public next() {
if (!this.hasNext()) {
// console.log('this._eof:', this._eof);
// console.log('this._pointer:', this._pointer);
if (!this._eof){
log.error('输入结束异常:EOF组未在文件结束前读取。代码结束: ' + this._data[this._pointer]);
}else{
log.error('在读取完 EOF 组后无法调用 `next`');
}
this._eof = true;
return { code: 0, value: 'EOF' };
}
const group = {
code: parseInt(this._data[this._pointer])
} as IGroup;
if(isNaN(group.code)){
// 回退code: 如果当前code为NaN,很可能是因为当前行和上一行是连贯数据,被libreDWG解析为两行,所以要回退code采用同一个code解析
this._pointer--;
group.code = parseInt(this._data[this._pointer - 1]);
// TODO: 或者使用跳过当前行操作?
// this._pointer++;
// return this.next();
}
this._pointer++;
group.value = parseGroupValue(group.code, this._data[this._pointer].trim());
this._pointer++;
// if (group.code === 0 && (group.value === 'EOF' || (group.value === 'ENDSEC' && !this.hasNext()))) this._eof = true;
if (group.code === 0 && group.value === 'EOF') this._eof = true;
this.lastReadGroup = group;
return group;
}
public peek() {
if (!this.hasNext()) {
if (!this._eof)
throw new Error('输入结束异常:EOF组未在文件结束前读取。代码结束: ' + this._data[this._pointer]);
else
throw new Error('Cannot call \'next\' after EOF group has been read');
}
const group = {
code: parseInt(this._data[this._pointer])
} as IGroup;
group.value = parseGroupValue(group.code, this._data[this._pointer + 1].trim());
return group;
}
public rewind(numberOfGroups = 1) {
this._pointer = this._pointer - numberOfGroups * 2;
}
/**
* 如果存在另一个代码/值对(数组中的2个元素)则返回true。
* @returns {boolean}
*/
public hasNext() {
// 检查我们是否读过EOF组代码
if (this._eof) {
return false;
}
// 我们需要确保有两条线路可用
return this._pointer <= this._data.length - 2;
}
/**
* 如果扫描器位于数组的末尾,则返回true
* @returns {boolean}
*/
public isEOF() {
return this._eof;
}
}
/**
* 将值解析为其适当类型。
* 参见本文件顶部提供的AutoCAD DXF 2012参考的第3-10页。
*
* @param code
* @param value
* @returns {*}
*/
function parseGroupValue(code: number, value: string) {
if (code <= 9) return value;
if (code >= 10 && code <= 59) return parseFloat(value);
if (code >= 60 && code <= 99) return parseInt(value);
if (code >= 100 && code <= 109) return value;
if (code >= 110 && code <= 149) return parseFloat(value);
if (code >= 160 && code <= 179) return parseInt(value);
if (code >= 210 && code <= 239) return parseFloat(value);
if (code >= 270 && code <= 289) return parseInt(value);
if (code >= 290 && code <= 299) return parseBoolean(value as '0' | '1');
if (code >= 300 && code <= 369) return value;
if (code >= 370 && code <= 389) return parseInt(value);
if (code >= 390 && code <= 399) return value;
if (code >= 400 && code <= 409) return parseInt(value);
if (code >= 410 && code <= 419) return value;
if (code >= 420 && code <= 429) return parseInt(value);
if (code >= 430 && code <= 439) return value;
if (code >= 440 && code <= 459) return parseInt(value);
if (code >= 460 && code <= 469) return parseFloat(value);
if (code >= 470 && code <= 481) return value;
if (code === 999) return value;
if (code >= 1000 && code <= 1009) return value;
if (code >= 1010 && code <= 1059) return parseFloat(value);
if (code >= 1060 && code <= 1071) return parseInt(value);
//log.warn('group代码没有定义的类型: %j', { code: code, value: value });
return value;
}
/**
* 根据1或0值解析布尔值
* @param str
* @returns {boolean}
*/
function parseBoolean(str: '0' | '1') {
if (str === '0') return false;
if (str === '1') return true;
return str;
// throw TypeError('String \'' + str + '\' cannot be cast to Boolean type');
}