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Fix Issue 11338

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- Now call the onOutOfMemoryError() function when alloca returns NULL
- Fixed the URIexception name to URIException
- Added a string constructor for the URIException class
- Added more informative messages to some of the errors
This commit is contained in:
DannyArends 2013-10-24 14:30:56 +02:00
parent 1fd19c2366
commit fa0627b218
1 changed files with 25 additions and 23 deletions
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48
std/uri.d
View file

@ -34,13 +34,19 @@ debug(uri) private import std.stdio;
private import std.ascii;
private import std.c.stdlib;
private import std.utf;
import std.exception;
import core.exception : onOutOfMemoryError;
import std.exception : assumeUnique;
class URIexception : Exception
class URIException : Exception
{
this()
@safe pure nothrow this()
{
super("URI error");
super("URI Exception");
}
@safe pure nothrow this(string msg)
{
super("URI Exception: " ~ msg);
}
}
@ -116,7 +122,7 @@ private string URI_Encode(dstring string, uint unescapedSet)
{
R2 = cast(char *)alloca(Rsize * char.sizeof);
if (!R2)
goto LthrowURIexception;
onOutOfMemoryError();
}
R2[0..Rlen] = R[0..Rlen];
R = R2;
@ -181,7 +187,7 @@ private string URI_Encode(dstring string, uint unescapedSet)
+/
else
{
goto LthrowURIexception; // undefined UTF-32 code
throw new URIException("Undefined UTF-32 code");
}
if (Rlen + L * 3 > Rsize)
@ -196,7 +202,7 @@ private string URI_Encode(dstring string, uint unescapedSet)
{
R2 = cast(char *)alloca(Rsize * char.sizeof);
if (!R2)
goto LthrowURIexception;
onOutOfMemoryError();
}
R2[0..Rlen] = R[0..Rlen];
R = R2;
@ -214,9 +220,6 @@ private string URI_Encode(dstring string, uint unescapedSet)
}
return R[0..Rlen].idup;
LthrowURIexception:
throw new URIexception();
}
uint ascii2hex(dchar c)
@ -249,7 +252,7 @@ private dstring URI_Decode(string string, uint reservedSet)
{
R = cast(dchar *)alloca(Rsize * dchar.sizeof);
if (!R)
goto LthrowURIexception;
onOutOfMemoryError();
}
Rlen = 0;
@ -267,9 +270,9 @@ private dstring URI_Decode(string string, uint reservedSet)
}
start = k;
if (k + 2 >= len)
goto LthrowURIexception;
throw new URIException("URI terminated unexpectedly");
if (!isHexDigit(s[k + 1]) || !isHexDigit(s[k + 2]))
goto LthrowURIexception;
throw new URIException("Expected a HexDigit after '%'");
B = cast(char)((ascii2hex(s[k + 1]) << 4) + ascii2hex(s[k + 2]));
k += 2;
if ((B & 0x80) == 0)
@ -283,11 +286,11 @@ private dstring URI_Decode(string string, uint reservedSet)
for (n = 1; ; n++)
{
if (n > 4)
goto LthrowURIexception;
goto LthrowURIException;
if (((B << n) & 0x80) == 0)
{
if (n == 1)
goto LthrowURIexception;
goto LthrowURIException;
break;
}
}
@ -296,22 +299,22 @@ private dstring URI_Decode(string string, uint reservedSet)
V = B & ((1 << (7 - n)) - 1); // (!!!)
if (k + (3 * (n - 1)) >= len)
goto LthrowURIexception;
goto LthrowURIException;
for (j = 1; j != n; j++)
{
k++;
if (s[k] != '%')
goto LthrowURIexception;
throw new URIException("Expected: '%'");
if (!isHexDigit(s[k + 1]) || !isHexDigit(s[k + 2]))
goto LthrowURIexception;
throw new URIException("Expected a HexDigit after '%'");
B = cast(char)((ascii2hex(s[k + 1]) << 4) + ascii2hex(s[k + 2]));
if ((B & 0xC0) != 0x80)
goto LthrowURIexception;
goto LthrowURIException;
k += 2;
V = (V << 6) | (B & 0x3F);
}
if (V > 0x10FFFF)
goto LthrowURIexception;
goto LthrowURIException;
C = V;
}
if (C < uri_flags.length && uri_flags[C] & reservedSet)
@ -333,9 +336,8 @@ private dstring URI_Decode(string string, uint reservedSet)
// Copy array on stack to array in memory
return R[0..Rlen].idup;
LthrowURIexception:
throw new URIexception();
LthrowURIException:
throw new URIException();
}
/*************************************