mirror of
https://github.com/mozilla/pdf.js.git
synced 2026-05-31 07:11:00 +02:00
Enable the recommended preset and fix or per-line-disable the 78 findings it surfaces. Most are equivalent rewrites, intentional patterns (control chars, the whatwg email regex, autolinker URL regex) keep their behavior via targeted disables.
106 lines
3.2 KiB
JavaScript
106 lines
3.2 KiB
JavaScript
/* Copyright 2014 Mozilla Foundation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
function parseAdobeCMap(content) {
|
|
let m = /(\bbegincmap\b[\s\S]+?)\bendcmap\b/.exec(content);
|
|
if (!m) {
|
|
throw new Error("cmap was not found");
|
|
}
|
|
|
|
const body = m[1].replaceAll(/\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;
|
|
}
|
|
|
|
export { parseAdobeCMap };
|