Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Make ERB, Handlebars, PHP and Smarty highlight properly in NodeJS #1367

Merged
merged 1 commit into from
Mar 25, 2018
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion components.js

Large diffs are not rendered by default.

13 changes: 9 additions & 4 deletions components.json
Original file line number Diff line number Diff line change
Expand Up @@ -230,7 +230,7 @@
},
"erb": {
"title": "ERB",
"require": ["markup", "ruby"],
"require": ["ruby", "markup-templating"],
"owner": "Golmote"
},
"erlang": {
Expand Down Expand Up @@ -285,7 +285,7 @@
},
"handlebars": {
"title": "Handlebars",
"require": "markup",
"require": "markup-templating",
"owner": "Golmote"
},
"haskell": {
Expand Down Expand Up @@ -394,6 +394,11 @@
"require": "markup",
"owner": "Golmote"
},
"markup-templating": {
"title": "Markup templating",
"require": "markup",
"owner": "Golmote"
},
"matlab": {
"title": "MATLAB",
"owner": "Golmote"
Expand Down Expand Up @@ -474,7 +479,7 @@
},
"php": {
"title": "PHP",
"require": "clike",
"require": ["clike", "markup-templating"],
"owner": "milesj"
},
"php-extras": {
Expand Down Expand Up @@ -607,7 +612,7 @@
},
"smarty": {
"title": "Smarty",
"require": "markup",
"require": "markup-templating",
"owner": "Golmote"
},
"sql": {
Expand Down
7 changes: 4 additions & 3 deletions components/prism-core.js
Original file line number Diff line number Diff line change
Expand Up @@ -273,13 +273,14 @@ var _ = _self.Prism = {

highlight: function (text, grammar, language) {
var env = {
text: text,
code: text,
grammar: grammar,
language: language
};
env.tokens = _.tokenize(text, grammar);
_.hooks.run('before-tokenize', env);
env.tokens = _.tokenize(env.code, env.grammar);
_.hooks.run('after-tokenize', env);
return Token.stringify(_.util.encode(env.tokens), language);
return Token.stringify(_.util.encode(env.tokens), env.language);
},

matchGrammar: function (text, strarr, grammar, index, startPos, oneshot, target) {
Expand Down
2 changes: 1 addition & 1 deletion components/prism-core.min.js

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

67 changes: 10 additions & 57 deletions components/prism-erb.js
Original file line number Diff line number Diff line change
@@ -1,67 +1,20 @@
(function (Prism) {

var erb_pattern = /<%=?[\s\S]+?%>/g;

Prism.languages.erb = Prism.languages.extend('markup', {
'erb': {
pattern: erb_pattern,
inside: {
'delimiter': {
pattern: /^<%=?|%>$/,
alias: 'punctuation'
},
rest: Prism.languages.ruby
}
}
});

// Tokenize all inline ERB expressions that are wrapped in <%= %>
// This allows for easy ERB + markup highlighting
Prism.hooks.add('before-highlight', function(env) {
if (env.language !== 'erb') {
return;
Prism.languages.erb = Prism.languages.extend('ruby', {});
Prism.languages.insertBefore('erb', 'comment', {
'delimiter': {
pattern: /^<%=?|%>$/,
alias: 'punctuation'
}

env.tokenStack = [];

env.backupCode = env.code;
env.code = env.code.replace(erb_pattern, function(match) {
var i = env.tokenStack.length;
// Check for existing strings
while (env.backupCode.indexOf('___ERB' + i + '___') !== -1)
++i;

// Create a sparse array
env.tokenStack[i] = match;

return '___ERB' + i + '___';
});
});

// Restore env.code for other plugins (e.g. line-numbers)
Prism.hooks.add('before-insert', function(env) {
if (env.language === 'erb') {
env.code = env.backupCode;
delete env.backupCode;
}
Prism.hooks.add('before-tokenize', function(env) {
var erbPattern = /<%=?[\s\S]+?%>/g;
Prism.languages['markup-templating'].buildPlaceholders(env, 'erb', erbPattern);
});

// Re-insert the tokens after highlighting
// and highlight them with defined grammar
Prism.hooks.add('after-highlight', function(env) {
if (env.language !== 'erb') {
return;
}

for (var i = 0, keys = Object.keys(env.tokenStack); i < keys.length; ++i) {
var k = keys[i];
var t = env.tokenStack[k];

// The replace prevents $$, $&, $`, $', $n, $nn from being interpreted as special patterns
env.highlightedCode = env.highlightedCode.replace('___ERB' + k + '___', Prism.highlight(t, env.grammar, 'erb').replace(/\$/g, '$$$$'));
}

env.element.innerHTML = env.highlightedCode;
Prism.hooks.add('after-tokenize', function(env) {
Prism.languages['markup-templating'].tokenizePlaceholders(env, 'erb');
});

}(Prism));
2 changes: 1 addition & 1 deletion components/prism-erb.min.js

Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.

Loading