Переименования

server/core/xml/ObjectInspector.js

@@ -0,0 +1,109 @@
+class ObjectInspector {
+    constructor(raw = null) {
+        this.raw = raw;
+    }
+
+    makeSelector(selector) {
+        const result = [];
+        selector = selector.trim();
+        
+        //последний индекс не учитывется, только если не задан явно
+        if (selector && selector[selector.length - 1] == ']')
+            selector += '/';
+
+        const levels = selector.split('/');
+
+        for (const level of levels) {
+            const [name, indexPart] = level.split('[');
+            let index = 0;
+            if (indexPart) {
+                const i = indexPart.indexOf(']');
+                index = parseInt(indexPart.substring(0, i), 10) || 0;
+            }
+
+            result.push({name, index});
+        }
+
+        if (result.length);
+            result[result.length - 1].last = true;
+
+        return result;
+    }
+
+    select(selector = '') {
+        selector = this.makeSelector(selector);
+
+        let raw = this.raw;
+        for (const s of selector) {
+            if (s.name) {
+                if (typeof(raw) === 'object' && !Array.isArray(raw))
+                    raw = raw[s.name];
+                else
+                    raw = null;
+            }
+
+            if (raw !== null && !s.last) {
+                if (Array.isArray(raw))
+                    raw = raw[s.index];
+                else if (s.index > 0)
+                    raw = null;
+            }
+
+            if (raw === undefined || raw === null) {
+                raw = null;
+                break;
+            }
+        }
+
+        if (raw === null)
+            return null;
+
+        raw = (Array.isArray(raw) ? raw : [raw]);
+
+        const result = [];
+        for (const r of raw)
+            result.push(new ObjectInspector(r));
+
+        return result;
+    }
+
+    $$(selector) {
+        return this.select(selector);
+    }
+
+    $(selector) {
+        const res = this.select(selector);
+        return (res !== null && res.length ? res[0] : null);
+    }
+
+    get value() {
+        return this.raw;
+    }
+
+    v(selector = '') {
+        const res = this.$(selector);
+        return (res ? res.value : null);
+    }
+
+    text(selector = '') {
+        const res = this.$(`${selector}/*TEXT`);
+        return (res ? res.value : null);
+    }
+
+    comment(selector = '') {
+        const res = this.$(`${selector}/*COMMENT`);
+        return (res ? res.value : null);
+    }
+
+    cdata(selector = '') {
+        const res = this.$(`${selector}/*CDATA`);
+        return (res ? res.value : null);
+    }
+
+    attrs(selector = '') {
+        const res = this.$(`${selector}/*ATTRS`);
+        return (res ? res.value : null);
+    }
+}
+
+module.exports = ObjectInspector;