@abaplint/runtime
Version:
Transpiler - Runtime
63 lines • 2.35 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ABAPRegExp = void 0;
// https://github.com/TooTallNate/pcre-to-regexp/blob/master/src/index.ts
class ABAPRegExp {
// converts from ABAP specific regex to javascript regex
static convert(input) {
let ret = input;
ret = ret.replace(/\[\[:punct:\]\]/g, "[@%\\.\\,\\-\\{\\}\\[\\]\\:\\!\\?\\(\\)\\;\\']");
// https://github.com/micromatch/posix-character-classes#posix-character-classes
ret = ret.replace(/\[\^\[:print:\]\]/g, "[\\x00-\\x1F\\x7F]");
// https://help.sap.com/doc/abapdocu_750_index_htm/7.50/en-US/abenregex_syntax_specials.htm
ret = ret.replace(/\\C/g, "[a-zA-Z]");
ret = ret.replace("[[:space:]]", "\\s");
return ret;
}
static escapeRegExp(text) {
return text.replace(/[-[\]{}()*+?.,\\^$|#]/g, "\\$&");
}
static getRegex(options) {
if (options.regex) {
if (typeof options.regex === "string") {
if (options.regex === "") {
throw new Error("FIND, runtime, no input, regex empty");
}
}
else if (options.regex.get() === "") {
throw new Error("FIND, runtime, no input, regex empty");
}
}
const ignoreCase = options.ignoringCase === true ? "i" : "";
const allOccurrences = options.all === true ? "g" : "";
let r = options.regex;
if (r === undefined) {
r = options.pcre;
}
if (typeof r !== "string") {
r = r.get();
}
if (typeof r === "string") {
r = ABAPRegExp.convert(r);
}
else if (r.constructor.name === "cl_abap_regex") {
const obj = r;
// @ts-ignore
r = obj.mv_pattern.get();
// @ts-ignore
if (obj.mv_ignore_case.get() === "X") {
options.ignoringCase = true;
}
}
else {
throw "getRegex(), unexpected input";
}
r = r;
if (r.length === 0 && options.all === true) {
throw "getRegex(), zero length input";
}
return new RegExp(r, "m" + ignoreCase + allOccurrences);
}
}
exports.ABAPRegExp = ABAPRegExp;
//# sourceMappingURL=abap_regex.js.map