import nitcorn
import nitcorn::log
import template
+import json::serialization_write
-# Fully process a content as a nit source file.
-fun hightlightcode(hl: HighlightVisitor, content: String): HLCode
-do
- # Prepare a stand-alone tool context
- var tc = new ToolContext
- tc.nit_dir = tc.locate_nit_dir # still use the common lib to have core
- tc.keep_going = true # no exit, obviously
- tc.opt_warn.value = -1 # no output, obviously
-
- # Prepare an stand-alone model and model builder.
- # Unfortunately, models are enclosing and append-only.
- # There is no way (yet?) to have a shared module `core` with
- # isolated and throwable user modules.
- var model = new Model
- var mb = new ModelBuilder(model, tc)
-
- # Parse the code
- var source = new SourceFile.from_string("", content)
- var lexer = new Lexer(source)
- var parser = new Parser(lexer)
- var tree = parser.parse
-
- var hlcode = new HLCode(hl, content, source)
-
- # Check syntax error
- var eof = tree.n_eof
- if eof isa AError then
- mb.error(eof, eof.message)
- hl.hightlight_source(source)
- return hlcode
- end
- var amodule = tree.n_base.as(not null)
-
- # Load the AST as a module in the model
- # Then process it
- mb.load_rt_module(null, amodule, "")
- mb.run_phases
-
- # Highlight the processed module
- hl.enter_visit(amodule)
- return hlcode
-end
-
-# A standalone highlighted piece of code
-class HLCode
- # The highlighter used
- var hl: HighlightVisitor
-
- # The raw code source
- var content: String
-
- # The pseudo source-file
- var source: SourceFile
-
- # JavaScript code to update an existing codemirror editor.
- fun code_mirror_update: Template
- do
-
- var res = new Template
- res.add """
- function nitmessage() {
- editor.operation(function(){
- for (var i = 0; i < widgets.length; ++i)
- editor.removeLineWidget(widgets[i]);
- widgets.length = 0;
-"""
-
- for m in source.messages do
- res.add """
- var l = document.createElement("div");
- l.className = "lint-error"
- l.innerHTML = "<span class='glyphicon glyphicon-warning-sign lint-error-icon'></span> {{{m.text.html_escape}}}";
- var w = editor.addLineWidget({{{m.location.line_start-1}}}, l);
- widgets.push(w);
-"""
- end
- res.add """});}"""
- return res
- end
-end
-
-# Nitcorn service to hightlight code
+# Nitcorn service to highlight code
#
# It's a single stand-alone page that has to form to itself.
class HighlightAction
# There is code? Process it
var code = http_request.post_args.get_or_null("code")
var hlcode = null
- if code != null then hlcode = hightlightcode(hl, code)
+ if code != null then hlcode = hl.highlightcode(code)
+
+ if http_request.post_args.get_or_null("json") == "true" and hlcode != null then
+ var response = new HttpResponse(200)
+ response.header["Content-Type"] = "text/json"
+ response.body = hlcode.to_json
+ return response
+ end
+
+ if http_request.post_args.get_or_null("ajax") == "true" and hlcode != null then
+ page.add hlcode.code_mirror_update
+ page.add """
+ document.getElementById("lightcode").innerHTML = "{{{hl.html.write_to_string.escape_to_c}}}";
+ nitmessage();
+ """
+
+ var response = new HttpResponse(200)
+ response.header["Content-Type"] = "application/javascript"
+ response.body = page.write_to_string
+ return response
+ end
page.add """
<!doctype html><html><head>{{{hl.head_content}}}
page.add "<li>{m.location.as(not null)}: {m.text}</li>"
end
page.add "</ul>"
+ else
+ page.add "<pre id=light><code id=lightcode></code></pre>"
end
page.add hl.foot_content
var widgets = [];
nitmessage();
+ function updatePage() {
+ $.post("", { ajax: true, code: editor.getValue()}, function(data) {
+ eval(data);
+ $(".popupable").popover({html:true, placement:'top'});
+ });
+ }
+
+ var waiting;
+ editor.on("change", function() {
+ clearTimeout(waiting);
+ waiting = setTimeout(updatePage, 500);
+ });
+ waiting = setTimeout(updatePage, 500);
+
</script>
</body></html>
"""
nitlanguage / nit.git / blobdiff