Mercurial > ecos-v2_0-branch

annotate host/tools/Utils/common/Collections.cpp @ 82:6736c52df507 ecos-sw-2000-04-14

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Merge from eCos master repository on 2000-04-14-13:35:46-BST
author jlarmour
date Tue, 18 Apr 2000 21:51:55 +0000
parents 435cced73e2f
children 9034ec3868e5
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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 String String::SFormat (LPCTSTR const pszFormat,...)
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36 {
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37 String s;
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38 va_list args;
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39 va_start(args, pszFormat);
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40 s.vFormat(pszFormat,args);
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41 va_end(args);
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42 return s;
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43 }
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44
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45 void String::vFormat(LPCTSTR pszFormat, va_list marker)
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46 {
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47 for(int nLength=100;nLength;) {
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48 TCHAR *buf=new TCHAR[1+nLength];
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49 int n=_vsntprintf(buf, nLength, pszFormat, marker );
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50 if(-1==n){
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51 nLength*=2; // NT behavior
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52 } else if (n<nLength){
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53 string::operator=(buf);
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54 nLength=0; // trigger exit from loop
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55 } else {
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56 nLength=n+1; // UNIX behavior generally, or NT behavior when buffer size exactly matches required length
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57 }
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58 delete [] buf;
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59 }
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60 }
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61
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62 TCHAR * String::GetBuffer(unsigned int nLength)
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63 {
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64 assert(NULL==m_pszBuf);
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65 nLength=MAX(nLength,size()); // to accommodate _tcscpy below
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66 m_pszBuf=new TCHAR[1+nLength];
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67 m_nBufferLength=nLength;
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68 _tcscpy(m_pszBuf,c_str());
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69 return m_pszBuf;
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70 }
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71
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72 void String::ReleaseBuffer()
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73 {
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74 assert(m_pszBuf);
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75 m_pszBuf[m_nBufferLength]=_TCHAR('\0'); // just in case the terminating null has been forgotten
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76 string::operator=(m_pszBuf);
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77 delete [] m_pszBuf;
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78 m_pszBuf=0;
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79 }
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80
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81 String String::CStrToUnicodeStr(const char *psz)
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82 {
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83 String str;
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84 #ifdef _UNICODE
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85 int nLength=1+strlen(psz);
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86 MultiByteToWideChar(CP_ACP, 0, psz, -1, str.GetBuffer(nLength), nLength);
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87 str.ReleaseBuffer();
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88 #else
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89 str=psz;
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90 #endif
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91 return str;
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92 }
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93
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94 int String::Chop(StringArray &ar,TCHAR cSep,bool bObserveStrings/*=TRUE*/) const
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95 {
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96 assert('\0'!=cSep);
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97 #define IsSep(c) (cSep==_TCHAR(' ')?_istspace(c):c==cSep)
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98 LPCTSTR c=c_str();
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99 ar.clear();
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100 while(*c){
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101 // Spaces are slightly different from other separators - we treat multiple instances as
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102 // just one (a la sscanf)
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103 if(_istspace(cSep)){
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104 while(IsSep(*c))c++;
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105 } else if (ar.size()>0) {
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106 c++;
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107 }
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108 if(*c){
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109 String strTok;
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110 if(bObserveStrings){
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111 bool bInString=false;
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112 do{
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113 if(*c==_TCHAR('\\') && c[1]){
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114 strTok+=c[1];
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115 c++;
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116 } else if(*c==_TCHAR('"')){
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117 bInString ^= 1;
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118 } else if (!bInString && IsSep(*c)) {
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119 break;
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120 } else {
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121 strTok+=*c;
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122 }
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123 } while (*++c);
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124 } else {
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125 do {
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126 if(IsSep(*c)) {
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127 break;
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128 } else {
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129 strTok+=*c;
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130 }
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131 } while (*++c);
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132 }
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133 ar.push_back(strTok);
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134 }
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135 }
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136 return ar.size();
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137 }
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138
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139 char * String::GetCString() const
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140 {
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141 char *psz=new char[1+size()];
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142 #ifdef _UNICODE
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143 WideCharToMultiByte(CP_ACP, 0, c_str(), -1, psz, 1+size(), NULL, NULL);
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144 #else
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145 strcpy(psz,c_str());
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146 #endif
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147 return psz;
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148 }
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149
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150 void String::Replace(LPCTSTR psz1, LPCTSTR psz2, bool bObserveEscapes)
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151 {
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152 for(unsigned int nOffset=0;nOffset<size();){
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153 LPCTSTR psz=c_str()+nOffset;
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154 const TCHAR *pc=_tcsstr(psz,psz1);
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155 if(pc){
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156 if(bObserveEscapes && pc>psz && _TCHAR('\\')==pc[-1]){
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157 // Substitution protected by escape
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158 nOffset=(pc-psz)+_tcslen(psz1);
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159 } else {
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160 String strNew(psz,pc-psz); // before the substitution
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161 strNew+=psz2; // substitution text
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162 pc+=_tcslen(psz1); // past the substituted text
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163 strNew+=pc; // after the substitution
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164 string::operator=(strNew);
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165 nOffset=(pc-psz)+_tcslen(psz2);
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166 }
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167 } else {
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168 break;
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169 }
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170 }
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171 }