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simple tab-completion for :javascript and :echo, really just a quick time saver, but prone to errors

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This commit is contained in:
Martin Stubenschrott
2007-09-30 00:55:20 +00:00
parent 0173e1e3f5
commit f6a7ac8208
4 changed files with 100 additions and 11 deletions
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14
chrome/content/vimperator/commands.js
View File

@@ -523,7 +523,8 @@ function Commands() //{{{
short_help: "Display a string at the bottom of the window",
help: "Useful for showing informational messages. Multiple lines can be separated by \\n.<br/>" +
"<code class=\"argument\">{expr}</code> can either be a quoted string, or any expression which can be fed to eval() like 4+5. " +
"You can also view the source code of objects and functions if the return value of <code class=\"argument\">{expr}</code> is an object or function."
"You can also view the source code of objects and functions if the return value of <code class=\"argument\">{expr}</code> is an object or function.",
completer: function(filter) { return vimperator.completion.javascript(filter); }
}
));
addDefaultCommand(new Command(["echoe[rr]"],
@@ -536,7 +537,8 @@ function Commands() //{{{
{
usage: ["echoe[rr] {expr}"],
short_help: "Display an error string at the bottom of the window",
help: "Just like <code class=\"command\">:ec[ho]</code>, but echoes the result highlighted in red. Useful for showing important messages."
help: "Just like <code class=\"command\">:ec[ho]</code>, but echoes the result highlighted in red. Useful for showing important messages.",
completer: function(filter) { return vimperator.completion.javascript(filter); }
}
));
addDefaultCommand(new Command(["exe[cute]"],
@@ -643,7 +645,11 @@ function Commands() //{{{
help: "Acts as a JavaScript interpreter by passing the argument to <code>eval()</code>.<br/>" +
"<code class=\"command\">:javascript alert('Hello world')</code> would show a dialog box with the text \"Hello world\".<br/>" +
"<code class=\"command\">:javascript &lt;&lt;EOF</code> would read all the lines until a line starting with 'EOF' is found, and will <code>eval()</code> them.<br/>" +
"The special version <code class=\"command\">:javascript!</code> will open the JavaScript console of Firefox."
"The special version <code class=\"command\">:javascript!</code> will open the JavaScript console of Firefox.<br/>" +
"Rudimentary <code class=\"mapping\">&lt;Tab&gt;</code> completion is available for <code class=\"command\">:javascript {cmd}<Tab></code> (but not yet for the " +
"<code class=\"command\">:js &lt;&lt;EOF</code> multiline widget). Be aware that Vimperator needs to run {cmd} through eval() " +
"to get the completions, which could have unwanted side effects.",
completer: function(filter) { return vimperator.completion.javascript(filter); }
}
));
addDefaultCommand(new Command(["let"],
@@ -957,7 +963,7 @@ function Commands() //{{{
"</ol>" +
"You WILL be able to use <code class=\"command\">:open [-T \"linux\"] torvalds&lt;Tab&gt;</code> to complete bookmarks " +
"with tag \"linux\" and which contain \"torvalds\". Note that -T support is only available for tab completion, not for the actual command.<br/>" +
"The items which are completed on <code>&lt;Tab&gt;</code> are specified in the <code class=\"option\">'complete'</code> option.<br/>" +
"The items which are completed on <code class=\"mapping\">&lt;Tab&gt;</code> are specified in the <code class=\"option\">'complete'</code> option.<br/>" +
"Without argument, reloads the current page.<br/>" +
"Without argument but with <code class=\"command\">!</code>, reloads the current page skipping the cache.",
completer: function(filter) { return vimperator.completion.get_url_completions(filter); }

95
chrome/content/vimperator/completion.js
View File

@@ -479,6 +479,74 @@ vimperator.completion = (function() // {{{
return build_longest_common_substring(mapped, filter);
}, //}}}
javascript: function(str)
{
g_substrings = [];
var matches = str.match(/^(.*?)(\s*\.\s*)?(\w*)$/);
var object = "window";
var filter = matches[3] || "";
var start = matches[1].length-1;
if (matches[2])
{
var brackets = 0, parentheses = 0;
outer:
for (; start >= 0; start--)
{
dump(matches[1].substr(start) + ": " + start + "\n");
switch (matches[1][start])
{
case ";":
case "{":
break outer;
case "]":
brackets--;
break;
case "[":
brackets++;
break;
case ")":
parentheses--;
break;
case "(":
parentheses++;
break;
}
if (brackets > 0 || parentheses > 0)
break outer;
}
}
object = matches[1].substr(start+1) || "window";
var completions = [];
try
{
completions = eval(
"var comp = [];" +
"var type = '';" +
"var value = '';" +
"var obj = eval(" + object + ");" +
"for (var i in obj) {" +
" try { type = typeof(obj[i]); } catch (e) { type = 'unknown type'; };" +
" if (type == 'number' || type == 'string' || type == 'boolean') {" +
" value = obj[i];" +
" comp.push([[i], type + ': ' + value]); }" +
// The problem with that is that you complete vimperator.
// but can't press <Tab> to complete sub items
// so it's better to complete vimperator and the user can do
// .<tab> to get the sub items
//" else if (type == 'function') {" +
//" comp.push([[i+'('], type]); }" +
//" else if (type == 'object') {" +
//" comp.push([[i+'.'], type]); }" +
" else {" +
" comp.push([[i], type]); }" +
"} comp;");
} catch (e) { completions = []; };
return build_longest_starting_substring(completions, filter);
},
exTabCompletion: function(str) //{{{
{
var [count, cmd, special, args] = vimperator.commands.parseCommand(str);
@@ -498,14 +566,27 @@ vimperator.completion = (function() // {{{
var command = vimperator.commands.get(cmd);
if (command && command.completer)
{
matches = str.match(/^:*\d*\w+\s+/);
start = matches ? matches[0].length : 0;
// TODO: maybe we should move these checks to the complete functions
if (command.hasName("open") || command.hasName("tabopen") || command.hasName("winopen"))
{
var skip = args.match(/^(.*,\s+)(.*)/); // start after the last ", "
if (skip)
{
start += skip[1].length;
args = skip[2];
}
}
else if (command.hasName("echo") || command.hasName("echoerr") || command.hasName("javascript"))
{
var skip = args.match(/^(.*?)(\w*)$/); // start after the last ", "
if (skip)
start += skip[1].length;
}
completions = command.completer.call(this, args);
// if (command[0][0] == "open" ||
// command[0][0] == "tabopen" ||
// command[0][0] == "winopen")
// start = str.search(/^:*\d*\w+(\s+|.*\|)/); // up to the last | or the first space
// else
matches = str.match(/^:*\d*\w+\s+/); // up to the first spaces only
start = matches[0].length;
}
}
return [start, completions];