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modify relative link #94

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modify relative link #94

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30 changes: 8 additions & 22 deletions chrome/content/markdown-viewer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -130,37 +130,23 @@ if (!MarkdownViewer) {

// Restore the links
var links = document.getElementsByTagName('a');

// Files in the same folder: "fileNameRegardlessOfExtension",
// "./fileNameRegardlessOfExtension", "." or "./". Allow any #hash-part, too.
// Also, allow for relative (#hash-part-only) URLs within the same document.
var linkInTheSameFolderWithHash = /^(\.|(\.\/)?[^#/\\]*)(#.*)?$/;

// Like linkInTheSameFolderWithHash, but without extension and exluding any #hash-part.
var linkWithNoExtension = /^(\.|(\.\/)?[^#/\\.]*)$/;
var relativeLinkWithHash = /^(\/?(?:[^#/]+\/)*(?:[^#/.]+(\.[^#/.]*)*))(#.*)?$/;

for (var i=0; i < links.length; i++) {
var link = links[i];
if (!link.getAttribute('href')) {
var originalHref = link.getAttribute('data-original-href');

// linkInTheSameFolderWithHash also matches an empty string, so check that URL is non-empty
if (originalHref === './'){
originalHref = './index.md';
}
if (originalHref !== '') {
// Sanitize: Only allow links in the same folder.
var match = linkInTheSameFolderWithHash.exec(originalHref);
var match = relativeLinkWithHash.exec(originalHref);
if (match) {
var url = match[1];

// Handling links with no extension, as used on Github pages:
// replacing PageName with PageName.md. Also, replacing ./ with ./index.md.
// If url is empty, then it's a #hash-part-only relative link.
if (url !== '' && linkWithNoExtension.test(url)) {
if (url === '.' || url === './') {
url = 'index';
}
url += '.md';
if(!match[2]){
url += ".md";
}
if (match[3]) {
if(match[3]){
url += match[3];
}
link.setAttribute('href', url);
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2 changes: 1 addition & 1 deletion install.rdf
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Expand Up @@ -2,7 +2,7 @@
<RDF xmlns="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:em="http://www.mozilla.org/2004/em-rdf#">
<Description about="urn:mozilla:install-manifest">
<em:id>[email protected]</em:id>
<em:version>1.12</em:version>
<em:version>1.13</em:version>
<em:type>2</em:type>

<em:name>Markdown Viewer</em:name>
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