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Automagically generate DTDs. One more step towards dropping the chrome: protocol.

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--HG--
rename : common/content/io.js => common/modules/io.jsm
This commit is contained in:
Kris Maglione
2011-01-03 21:11:28 -05:00
parent 30ec5fc393
commit 43458d4432
59 changed files with 553 additions and 463 deletions
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89
common/components/protocols.js
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@@ -24,6 +24,7 @@ var global = this;
var Cc = Components.classes;
var Ci = Components.interfaces;
var Cu = Components.utils;
var DNE = "chrome://dactyl/content/does/not/exist";
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
@@ -34,21 +35,23 @@ function makeChannel(url, orig) {
try {
if (url == null)
return fakeChannel(orig);
if (typeof url === "function")
return let ([type, data] = url()) StringChannel(data, type, orig);
let channel = ioService.newChannel(url, null, null);
channel.contentCharset = "UTF-8";
channel.owner = systemPrincipal;
channel.originalURI = orig;
return channel;
let uri = ioService.newURI(url, null, null);
return (new XMLChannel(uri)).channel;
}
catch (e) {
util.reportError(e);
throw e;
}
}
function fakeChannel(orig) makeChannel("chrome://dactyl/content/does/not/exist", orig);
function fakeChannel(orig) {
let channel = ioService.newChannel(DNE, null, null);
channel.originalURI = orig;
return channel;
}
function redirect(to, orig, time) {
let html = <html><head><meta http-equiv="Refresh" content={(time || 0) + ";" + to}/></head></html>.toXMLString();
return StringChannel(html, "text/html", ioService.newURI(to, null, null));
@@ -148,13 +151,13 @@ Dactyl.prototype = {
newChannel: function newChannel(uri) {
try {
if (uri.host != "content" && !("all" in this.FILE_MAP))
if (/^help/.test(uri.host) && !("all" in this.FILE_MAP))
return redirect(uri.spec, uri, 1);
let path = decodeURIComponent(uri.path.replace(/^\/|#.*/g, ""));
switch(uri.host) {
case "content":
return makeChannel(this.pages[path], uri);
return makeChannel(this.pages[path] || "chrome://dactyl/content/" + path, uri);
case "help":
return makeChannel(this.FILE_MAP[path], uri);
case "help-overlay":
@@ -165,6 +168,10 @@ Dactyl.prototype = {
return redirect("dactyl://help/" + tag, uri);
if (tag in this.HELP_TAGS)
return redirect("dactyl://help/" + this.HELP_TAGS[tag] + "#" + tag, uri);
case "locale":
return makeChannel("chrome://dactyl/locale/" + path, uri);
case "locale-local":
return makeChannel("chrome://" + config.name + "/locale/" + path, uri);
}
}
catch (e) {}
@@ -188,7 +195,8 @@ Dactyl.prototype = {
function StringChannel(data, contentType, uri) {
let channel = services.StreamChannel(uri);
channel.contentStream = services.StringStream(data);
channel.contentType = contentType;
if (contentType)
channel.contentType = contentType;
channel.contentCharset = "UTF-8";
channel.owner = systemPrincipal;
if (uri)
@@ -197,17 +205,76 @@ function StringChannel(data, contentType, uri) {
}
function XMLChannel(uri, contentType) {
let channel = services.io.newChannelFromURI(uri);
try {
var channelStream = channel.open();
}
catch (e) {
this.channel = fakeChannel(uri);
return;
}
this.uri = uri;
this.sourceChannel = services.io.newChannelFromURI(uri);
this.pipe = services.Pipe(true, true, 0, 0, null);
this.writes = [];
this.channel = services.StreamChannel(uri);
this.channel.contentStream = this.pipe.outputStream;
this.channel.contentType = contentType;
this.channel.contentStream = this.pipe.inputStream;
this.channel.contentType = contentType || channel.contentType;
this.channel.contentCharset = "UTF-8";
this.channel.owner = systemPrincipal;
let stream = services.InputStream(channelStream);
let [, pre, doctype, url, open, post] = util.regexp(<![CDATA[
^ ([^]*?)
(?:
(<!DOCTYPE \s+ \S+ \s+) SYSTEM \s+ "([^"]*)"
(\s+ \[)?
([^]*)
)?
$
]]>).exec(stream.read(4096));
this.writes.push(pre);
if (doctype) {
this.writes.push(doctype + "[\n");
try {
this.writes.push(services.io.newChannel(url, null, null).open())
}
catch (e) {}
if (!open)
this.writes.push("\n]");
this.writes.push(post)
}
this.writes.push(channelStream);
this.writeNext();
}
XMLChannel.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIRequestObserver]),
writeNext: function () {
try {
if (!this.writes.length)
this.pipe.outputStream.close();
else {
let stream = this.writes.shift();
if (isString(stream))
stream = services.StringStream(stream);
services.StreamCopier(stream, this.pipe.outputStream, null,
false, true, 4096, true, false)
.asyncCopy(this, null);
}
}
catch (e) {
util.reportError(e);
}
},
onStartRequest: function (request, context) {},
onStopRequest: function (request, context, statusCode) {
this.writeNext();
}
};
function AboutHandler() {}