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Move getNextArg() to commands.parseArg so I can override it in rcquotes.js plugin

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This commit is contained in:
Kris Maglione
2008-12-05 14:30:45 -05:00
parent 9a395f8f6c
commit 19f00cfaca
1 changed files with 92 additions and 88 deletions
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180
common/content/commands.js
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@@ -297,6 +297,95 @@ function Commands() //{{{
return exCommands.filter(function (cmd) cmd.isUserCommand); return exCommands.filter(function (cmd) cmd.isUserCommand);
}, },
// returns [count, parsed_argument]
parseArg: function getNextArg(str)
{
var stringDelimiter = null;
var escapeNext = false;
var arg = "";
outer:
for (let i = 0; i < str.length; i++)
{
inner:
switch (str[i])
{
case '"':
case "'":
if (escapeNext)
{
escapeNext = false;
break;
}
switch (stringDelimiter)
{
case str[i]:
stringDelimiter = null;
continue outer;
case null:
stringDelimiter = str[i];
continue outer;
}
break;
// \ is an escape key for non quoted or "-quoted strings
// for '-quoted strings it is taken literally, apart from \' and \\
case "\\":
if (escapeNext)
{
escapeNext = false;
break;
}
else
{
// in non-quoted strings, only escape "\\" and "\ ", otherwise drop "\\"
if (!stringDelimiter && str[i + 1] != "\\" && str[i + 1] != " ")
continue outer;
// in single quoted strings, only escape "\\" and "\'", otherwise keep "\\"
if (stringDelimiter == "'" && str[i + 1] != "\\" && str[i + 1] != "'")
break;
escapeNext = true;
continue outer;
}
break;
default:
if (stringDelimiter == "'")
{
escapeNext = false;
break;
}
if (escapeNext)
{
escapeNext = false;
switch (str[i])
{
case "n": arg += "\n"; break;
case "t": arg += "\t"; break;
default:
break inner; // this makes "a\fb" -> afb; wanted or should we return ab? --mst
}
continue outer;
}
else if (stringDelimiter != '"' && /\s/.test(str[i]))
{
return [i, arg];
}
break;
}
arg += str[i];
}
// TODO: add parsing of a " comment here:
if (stringDelimiter)
return [str.length, arg, stringDelimiter];
if (escapeNext)
return [str.length, arg, "\\"];
else
return [str.length, arg];
},
// in '-quoted strings, only ' and \ itself are escaped // in '-quoted strings, only ' and \ itself are escaped
// in "-quoted strings, also ", \n and \t are translated // in "-quoted strings, also ", \n and \t are translated
// in non-quoted strings everything is taken literally apart from "\ " and "\\" // in non-quoted strings everything is taken literally apart from "\ " and "\\"
@@ -321,94 +410,7 @@ function Commands() //{{{
// TODO: should it handle comments? // TODO: should it handle comments?
parseArgs: function (str, options, argCount, allowUnknownOptions, literal, complete, extra) parseArgs: function (str, options, argCount, allowUnknownOptions, literal, complete, extra)
{ {
// returns [count, parsed_argument] function getNextArg(str) commands.parseArg(str);
function getNextArg(str)
{
var stringDelimiter = null;
var escapeNext = false;
var arg = "";
outer:
for (let i = 0; i < str.length; i++)
{
inner:
switch (str[i])
{
case '"':
case "'":
if (escapeNext)
{
escapeNext = false;
break;
}
switch (stringDelimiter)
{
case str[i]:
stringDelimiter = null;
continue outer;
case null:
stringDelimiter = str[i];
continue outer;
}
break;
// \ is an escape key for non quoted or "-quoted strings
// for '-quoted strings it is taken literally, apart from \' and \\
case "\\":
if (escapeNext)
{
escapeNext = false;
break;
}
else
{
// in non-quoted strings, only escape "\\" and "\ ", otherwise drop "\\"
if (!stringDelimiter && str[i + 1] != "\\" && str[i + 1] != " ")
continue outer;
// in single quoted strings, only escape "\\" and "\'", otherwise keep "\\"
if (stringDelimiter == "'" && str[i + 1] != "\\" && str[i + 1] != "'")
break;
escapeNext = true;
continue outer;
}
break;
default:
if (stringDelimiter == "'")
{
escapeNext = false;
break;
}
if (escapeNext)
{
escapeNext = false;
switch (str[i])
{
case "n": arg += "\n"; break;
case "t": arg += "\t"; break;
default:
break inner; // this makes "a\fb" -> afb; wanted or should we return ab? --mst
}
continue outer;
}
else if (stringDelimiter != '"' && /\s/.test(str[i]))
{
return [i, arg];
}
break;
}
arg += str[i];
}
// TODO: add parsing of a " comment here:
if (stringDelimiter)
return [str.length, arg, stringDelimiter];
if (escapeNext)
return [str.length, arg, "\\"];
else
return [str.length, arg];
}
if (!options) if (!options)
options = []; options = [];
@@ -695,6 +697,8 @@ function Commands() //{{{
return [count, cmd, !!special, args || "", heredoc]; return [count, cmd, !!special, args || "", heredoc];
}, },
get complQuote() complQuote,
get quoteArg() quoteArg, get quoteArg() quoteArg,
removeUserCommand: function (name) removeUserCommand: function (name)