]> git.saurik.com Git - wxWidgets.git/blame - src/html/search.cpp
Changed my mind and used FNSTRINGCAST instead
[wxWidgets.git] / src / html / search.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: search.cpp
3// Purpose: search engine
4// Author: Vaclav Slavik
5// Copyright: (c) 1999 Vaclav Slavik
6// Licence: wxWindows Licence
7/////////////////////////////////////////////////////////////////////////////
8
9
10
11#ifdef __GNUG__
12#pragma implementation
13#endif
14
15#include <wx/wxprec.h>
16
17#include <wx/defs.h>
18#if wxUSE_HTML
19
20#ifdef __BORDLANDC__
21#pragma hdrstop
22#endif
23
24#ifndef WXPRECOMP
25#include <wx/wx.h>
26#endif
27
28#include "search.h"
29
30
31
32//--------------------------------------------------------------------------------
33// wxSearchEngine
34//--------------------------------------------------------------------------------
35
36void wxSearchEngine::LookFor(const wxString& keyword)
37{
38 if (m_Keyword) free(m_Keyword);
39 m_Keyword = (char*) malloc(keyword.Length() + 1);
40 strcpy(m_Keyword, keyword.c_str());
41 for (int i = strlen(m_Keyword) - 1; i >= 0; i--)
42 if ((m_Keyword[i] >= 'A') && (m_Keyword[i] <= 'Z'))
43 m_Keyword[i] += 'a' - 'A';
44}
45
46
47
48bool wxSearchEngine::Scan(wxInputStream *stream)
49{
50 wxASSERT_MSG(m_Keyword != NULL, _("wxSearchEngine::LookFor must be called before scanning!"));
51
52 int i, j;
259d1674 53 int lng = stream ->GetSize();
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54 int wrd = strlen(m_Keyword);
55 bool found = FALSE;
56 char *buf = (char*) malloc(lng + 1);
57 stream -> Read(buf, lng);
58 buf[lng] = 0;
59
60 for (i = 0; i < lng; i++)
61 if ((buf[i] >= 'A') && (buf[i] <= 'Z')) buf[i] += 'a' - 'A';
62
63 for (i = 0; i < lng - wrd; i++) {
64 j = 0;
65 while ((j < wrd) && (buf[i + j] == m_Keyword[j])) j++;
66 if (j == wrd) {found = TRUE; break;}
67 }
68
69 free(buf);
70 return found;
71}
72
73#endif