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