100 lines
2.1 KiB
C++
100 lines
2.1 KiB
C++
/*
|
|
* The contents of this file are subject to the Mozilla Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is Vision.
|
|
*
|
|
* The Initial Developer of the Original Code is The Vision Team.
|
|
* Portions created by The Vision Team are
|
|
* Copyright (C) 1999, 2000, 2001 The Vision Team. All Rights
|
|
* Reserved.
|
|
*
|
|
* Contributor(s): Rene Gollent
|
|
* Todd Lair
|
|
*/
|
|
|
|
#include <ctype.h>
|
|
|
|
#include "URLCrunch.h"
|
|
|
|
URLCrunch::URLCrunch (const char *data, int32 len)
|
|
: buffer (""),
|
|
current_pos (0)
|
|
{
|
|
buffer.Append (data, len);
|
|
}
|
|
|
|
URLCrunch::~URLCrunch (void)
|
|
{
|
|
}
|
|
|
|
int32
|
|
URLCrunch::Crunch (BString *url)
|
|
{
|
|
if (current_pos >= buffer.Length())
|
|
return B_ERROR;
|
|
|
|
const int32 tagNum = 7;
|
|
const char *tags[tagNum] =
|
|
{
|
|
"http://",
|
|
"https://",
|
|
"www.",
|
|
"ftp://",
|
|
"ftp.",
|
|
"file:/",
|
|
"mailto:"
|
|
};
|
|
|
|
int32 marker (buffer.Length());
|
|
int32 pos (current_pos);
|
|
int32 url_length (0);
|
|
int32 markers[tagNum];
|
|
int32 i(0);
|
|
|
|
for (i = 0; i < tagNum; ++i)
|
|
markers[i] = buffer.IFindFirst (tags[i], pos);
|
|
|
|
for (i = 0; i < tagNum; ++i)
|
|
|
|
if (markers[i] != B_ERROR
|
|
&& markers[i] < marker)
|
|
{
|
|
url_length = markers[i] + strlen(tags[i]);
|
|
|
|
url_length += strcspn (buffer.String() + url_length, " \t\n|\\<>\")(][}{;'*^");
|
|
|
|
|
|
int len (strlen (tags[i]));
|
|
|
|
if (url_length - markers[i] > len
|
|
&& (isdigit (buffer[markers[i] + len])
|
|
|| isalpha (buffer[markers[i] + len])))
|
|
{
|
|
marker = markers[i];
|
|
pos = url_length + 1;
|
|
url_length -= marker;
|
|
}
|
|
else
|
|
pos = markers[i] + 1;
|
|
}
|
|
|
|
if (marker < buffer.Length())
|
|
{
|
|
*url = "";
|
|
|
|
url->Append (buffer.String() + marker, url_length);
|
|
}
|
|
|
|
current_pos = pos;
|
|
|
|
return marker < buffer.Length() ? marker : B_ERROR;
|
|
}
|