Mercurial > ecos

annotate host/tools/Utils/common/Collections.cpp @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
parents
children 6736c52df507
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76
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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1 //####COPYRIGHTBEGIN####
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2 //
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3 // ----------------------------------------------------------------------------
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4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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5 //
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6 // This program is part of the eCos host tools.
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7 //
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8 // This program is free software; you can redistribute it and/or modify it
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9 // under the terms of the GNU General Public License as published by the Free
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10 // Software Foundation; either version 2 of the License, or (at your option)
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11 // any later version.
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12 //
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13 // This program is distributed in the hope that it will be useful, but WITHOUT
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14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 // more details.
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17 //
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18 // You should have received a copy of the GNU General Public License along with
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19 // this program; if not, write to the Free Software Foundation, Inc.,
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20 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 //
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22 // ----------------------------------------------------------------------------
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23 //
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24 //####COPYRIGHTEND####
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25 #include "Collections.h"
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26
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27 void String::Format (LPCTSTR const pszFormat,...)
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28 {
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29 va_list args;
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30 va_start(args, pszFormat);
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31 vFormat(pszFormat,args);
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32 va_end(args);
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33 }
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34
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35 void String::vFormat(LPCTSTR pszFormat, va_list marker)
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36 {
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37 for(int nLength=100;nLength;) {
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38 TCHAR *buf=new TCHAR[1+nLength];
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39 int n=_vsntprintf(buf, nLength, pszFormat, marker );
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40 if(-1==n){
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41 nLength*=2; // NT behavior
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42 } else if (n<nLength){
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43 *this=buf;
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44 nLength=0; // trigger exit from loop
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45 } else {
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46 nLength=n+1; // UNIX behavior generally, or NT behavior when buffer size exactly matches required length
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47 }
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48 delete [] buf;
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49 }
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50 }
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51
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52 TCHAR * String::GetBuffer(unsigned int nLength)
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53 {
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54 assert(NULL==m_pszBuf);
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55 nLength=MAX(nLength,GetLength()); // to accommodate _tcscpy below
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56 m_pszBuf=new TCHAR[1+nLength];
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57 m_nBufferLength=nLength;
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58 _tcscpy(m_pszBuf,c_str());
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59 return m_pszBuf;
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60 }
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61
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62 void String::ReleaseBuffer()
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63 {
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64 assert(m_pszBuf);
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65 m_pszBuf[m_nBufferLength]=_TCHAR('\0'); // just in case the terminating null has been forgotten
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66 *this=m_pszBuf;
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67 delete [] m_pszBuf;
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68 m_pszBuf=0;
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69 }
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70
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71 String String::CStrToUnicodeStr(const char *psz)
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72 {
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73 String str;
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74 #ifdef _UNICODE
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75 int nLength=1+strlen(psz);
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76 MultiByteToWideChar(CP_ACP, 0, psz, -1, str.GetBuffer(nLength), nLength);
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77 str.ReleaseBuffer();
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78 #else
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79 str=psz;
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80 #endif
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81 return str;
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82 }
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83
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84 int String::Chop(StringArray &ar,TCHAR cSep,bool bObserveStrings/*=TRUE*/) const
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85 {
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86 assert('\0'!=cSep);
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87 #define IsSep(c) (cSep==_TCHAR(' ')?isspace(c):c==cSep)
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88 LPCTSTR c=c_str();
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89 ar.clear();
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90 for(;;){
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91 // Skip multiple separators
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92 while(IsSep(*c))c++;
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93 if(*c==_TCHAR('\0')){
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94 break;
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95 }
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96 String strTok;
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97 if(bObserveStrings){
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98 bool bInString=false;
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99 do{
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100 if(*c==_TCHAR('\\') && c[1]){
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101 strTok+=c[1];
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102 c++;
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103 } else if(*c==_TCHAR('"')){
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104 bInString ^= 1;
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105 } else if (!bInString && IsSep(*c)) {
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106 break;
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107 } else {
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108 strTok+=*c;
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109 }
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110 } while (*++c);
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111 } else {
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112 do {
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113 if(IsSep(*c)) {
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114 break;
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115 } else {
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116 strTok+=*c;
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117 }
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118 } while (*++c);
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119 }
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120 ar.push_back(strTok);
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121 }
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122 return ar.size();
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123 }
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124
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125 char * String::GetCString() const
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126 {
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127 char *psz=new char[1+GetLength()];
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128 #ifdef _UNICODE
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129 WideCharToMultiByte(CP_ACP, 0, c_str(), -1, psz, 1+GetLength(), NULL, NULL);
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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130 #else
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131 strcpy(psz,c_str());
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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132 #endif
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133 return psz;
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134 }
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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135
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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136