hy_excelize/lib/xlsx/xform/wpsImg/xdr-pic-xform.js

买菜用。感谢：https://github.com/zurmokeeper/excelize.git

const BaseXform = require('../base-xform');
const XdrNvPicPrXform = require('./xdr-nvPicPr-xform');
const XdrBlipFillXform = require('./xdr-blipFill-xform');
const XdrSpPrXform = require('./xdr-spPr-xform');

class XdrPicXform extends BaseXform {
    constructor() {
        super();

        this.map = {
            'xdr:nvPicPr': new XdrNvPicPrXform(),
            'xdr:blipFill': new XdrBlipFillXform(),
            'xdr:spPr': new XdrSpPrXform(),
        };
    }

    render(xmlStream, model) {
        xmlStream.openNode('xdr:pic');

        this.map['xdr:nvPicPr'].render(xmlStream, model.nvPicPr);
        this.map['xdr:blipFill'].render(xmlStream, model.blipFill);
        this.map['xdr:spPr'].render(xmlStream, model.spPr);

        xmlStream.closeNode();
    }

    parseOpen(node) {
        if (this.parser) {
            this.parser.parseOpen(node);
            return true;
        }
        switch (node.name) {
            case 'xdr:pic':
                this.model = {};
                return true;
            default:
                this.parser = this.map[node.name];
                if (this.parser) {
                    this.parser.parseOpen(node);
                    return true;
                }
                throw new Error(`Unexpected xml node in parseOpen: ${JSON.stringify(node)}`);
        }
    }

    parseText() {}

    parseClose(name) {
        if (this.parser) {
            if (!this.parser.parseClose(name)) {
                this.parser = undefined;
            }
            return true;
        }
        switch (name) {
            case 'xdr:pic':
                this.model = {
                    nvPicPr: this.map['xdr:nvPicPr'].model,
                    blipFill: this.map['xdr:blipFill'].model,
                    spPr: this.map['xdr:spPr'].model,
                };
                return false;
            default:
                // not quite sure how we get here!
                return true;
        }
    }
}

module.exports = XdrPicXform;