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- exports.parseAdobeCMap = function (content) {
- let m = /(\bbegincmap\b[\s\S]*?)\bendcmap\b/.exec(content);
- if (!m) {
- throw new Error("cmap was not found");
- }
- const body = m[1].replace(/\r\n?/g, "\n");
- const result = {
- type: 1,
- wmode: 0,
- comment:
- "Copyright 1990-2009 Adobe Systems Incorporated.\nAll rights reserved.\nSee ./LICENSE",
- usecmap: null,
- body: [],
- };
- m = /\/CMapType\s+(\d+)\s+def\b/.exec(body);
- result.type = +m[1];
- m = /\/WMode\s+(\d+)\s+def\b/.exec(body);
- result.wmode = +m[1];
- m = /\/([\w-]+)\s+usecmap\b/.exec(body);
- if (m) {
- result.usecmap = m[1];
- }
- const re =
- /(\d+)\s+(begincodespacerange|beginnotdefrange|begincidchar|begincidrange|beginbfchar|beginbfrange)\n([\s\S]*?)\n(endcodespacerange|endnotdefrange|endcidchar|endcidrange|endbfchar|endbfrange)/g;
- while ((m = re.exec(body))) {
- const lines = m[3].toLowerCase().split("\n");
- switch (m[2]) {
- case "begincodespacerange":
- result.body.push({
- type: 0,
- items: lines.map(function (line) {
- const m2 = /<(\w+)>\s+<(\w+)>/.exec(line);
- return { start: m2[1], end: m2[2] };
- }),
- });
- break;
- case "beginnotdefrange":
- result.body.push({
- type: 1,
- items: lines.map(function (line) {
- const m2 = /<(\w+)>\s+<(\w+)>\s+(\d+)/.exec(line);
- return { start: m2[1], end: m2[2], code: +m2[3] };
- }),
- });
- break;
- case "begincidchar":
- result.body.push({
- type: 2,
- items: lines.map(function (line) {
- const m2 = /<(\w+)>\s+(\d+)/.exec(line);
- return { char: m2[1], code: +m2[2] };
- }),
- });
- break;
- case "begincidrange":
- result.body.push({
- type: 3,
- items: lines.map(function (line) {
- const m2 = /<(\w+)>\s+<(\w+)>\s+(\d+)/.exec(line);
- return { start: m2[1], end: m2[2], code: +m2[3] };
- }),
- });
- break;
- case "beginbfchar":
- result.body.push({
- type: 4,
- items: lines.map(function (line) {
- const m2 = /<(\w+)>\s+<(\w+)>/.exec(line);
- return { char: m2[1], code: m2[2] };
- }),
- });
- break;
- case "beginbfrange":
- result.body.push({
- type: 5,
- items: lines.map(function (line) {
- const m2 = /<(\w+)>\s+<(\w+)>\s+<(\w+)>/.exec(line);
- return { start: m2[1], end: m2[2], code: m2[3] };
- }),
- });
- break;
- }
- }
- return result;
- };
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