dab58492b2
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2524 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
129 lines
2.6 KiB
C++
129 lines
2.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: tokenzr.cpp
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// Purpose: String tokenizer
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// Author: Guilhem Lavaux
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// Modified by:
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// Created: 04/22/98
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// RCS-ID: $Id$
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// Copyright: (c) Guilhem Lavaux
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "tokenzr.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#endif
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#include "wx/object.h"
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#include "wx/string.h"
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#include "wx/tokenzr.h"
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wxStringTokenizer::wxStringTokenizer(const wxString& to_tokenize,
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const wxString& delims,
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bool ret_delims)
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: wxObject()
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{
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m_string = to_tokenize;
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m_delims = delims;
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m_retdelims = ret_delims;
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}
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wxStringTokenizer::~wxStringTokenizer()
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{
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}
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off_t wxStringTokenizer::FindDelims(const wxString& str, const wxString& delims)
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{
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int i, j;
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register int s_len = str.Length(),
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len = delims.Length();
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for (i=0;i<s_len;i++) {
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register char c = str[i];
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for (j=0;j<len;j++)
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if (delims[j] == c)
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return i;
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}
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return -1;
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}
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int wxStringTokenizer::CountTokens()
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{
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wxString p_string = m_string;
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bool found = TRUE;
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int pos, count = 1;
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if (p_string.Length() == 0)
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return 0;
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while (found) {
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pos = FindDelims(p_string, m_delims);
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if (pos != -1) {
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count++;
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p_string = p_string(0, pos);
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} else
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found = FALSE;
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}
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return count;
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}
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bool wxStringTokenizer::HasMoreToken()
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{
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return (m_string.Length() != 0);
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}
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// AVS - added to fix leading whitespace / mult. delims bugs
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void wxStringTokenizer::EatLeadingDelims()
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{
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int pos;
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while ((pos=FindDelims(m_string, m_delims))==0) { // while leading delims
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m_string = m_string.Mid((size_t)1); // trim 'em from the left
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}
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}
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wxString wxStringTokenizer::NextToken()
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{
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register off_t pos, pos2;
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wxString r_string;
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if (m_string.IsNull())
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return m_string;
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if (!m_retdelims)
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EatLeadingDelims(); // AVS - added to fix leading whitespace /
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// mult. delims bugs
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pos = FindDelims(m_string, m_delims);
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if (pos == -1) {
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r_string = m_string;
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m_string = wxEmptyString;
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return r_string;
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}
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if (m_retdelims) {
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if (!pos) {
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pos++;
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pos2 = 1;
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} else
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pos2 = pos;
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} else
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pos2 = pos + 1;
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r_string = m_string.Left((size_t)pos);
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m_string = m_string.Mid((size_t)pos2);
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return r_string;
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}
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