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-rw-r--r--ACE/apps/FaCE/CE_ARGV.CPP118
1 files changed, 118 insertions, 0 deletions
diff --git a/ACE/apps/FaCE/CE_ARGV.CPP b/ACE/apps/FaCE/CE_ARGV.CPP
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+++ b/ACE/apps/FaCE/CE_ARGV.CPP
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+// $Id$
+
+#include "CE_ARGV.H"
+
+
+CE_ARGV::CE_ARGV(wchar_t* cmdLine)
+: ce_argv_(0)
+, ce_argc_(0)
+{
+ const wchar_t* dummyArgv = L"root"; // dummy for the first argv
+ const wchar_t* separator = L" "; // blank space is a separator
+
+ int formattedCmdLineLength = wcslen(dummyArgv) +
+ wcslen(separator) +
+ 1; // 1 is for the NULL at the end
+
+ if (wcslen(cmdLine) > 0) {
+ formattedCmdLineLength += wcslen(cmdLine);
+ formattedCmdLineLength += wcslen(separator);
+ }
+
+ // formattedCmdLine will have dummyArgv and a separator at the beginning of cmdLine
+ // and a separator at the end to generalize format and reduce the amount of code
+ wchar_t* formattedCmdLine = 0;
+ formattedCmdLine = new wchar_t[formattedCmdLineLength];
+
+ wcscpy(formattedCmdLine, dummyArgv);
+ wcscat(formattedCmdLine, separator);
+
+ int max_possible_argc = 1; // start with 1 because of the dummyArgv at the beginning
+
+ if (wcslen(cmdLine) > 0) {
+ int formattedPos = wcslen(formattedCmdLine);
+ int cmdLineLength = wcslen(cmdLine);
+
+ // Inside of this for loop, it does same thing as strcat except it
+ // checks and puts only one single white space between two argv entries.
+ for (int i = 0; i < cmdLineLength; ++i) {
+ if (iswspace(cmdLine[i]) != 0) {
+ ++max_possible_argc; // counting the number of white spaces
+ }
+
+ formattedCmdLine[formattedPos++] = cmdLine[i];
+
+ if (iswspace(cmdLine[i]) != 0) {
+ // make sure there is only one white space between two argv entries.
+ while ((i < cmdLineLength) && (iswspace(cmdLine[i + 1]) != 0)) {
+ ++i;
+ }
+ }
+ }
+
+ formattedCmdLine[formattedPos] = 0;
+ wcscat(formattedCmdLine, separator); // make sure formattedCmdLine ends with a blank
+ }
+
+ int formattedCmdLength = wcslen(formattedCmdLine);
+
+ bool insideQuotation = false;
+ int* argv_strlen = 0;
+ int entry_size = 0;
+ argv_strlen = new int[max_possible_argc];
+
+ // determine argc
+ for (int i = 0; i < formattedCmdLength; ++i) {
+ if (formattedCmdLine[i] == '\\') {
+ ++i; // ignore the following character
+ ++entry_size;
+ }
+ else if (formattedCmdLine[i] == '"') {
+ insideQuotation = !insideQuotation;
+ }
+ else if ((!insideQuotation) && (iswspace(formattedCmdLine[i]) != 0)) {
+ // new argv entry end found
+ argv_strlen[ce_argc_++] = entry_size; // cache the size of this entry
+ entry_size = 0;
+ }
+ else {
+ ++entry_size;
+ }
+ }
+
+ ce_argv_ = new wchar_t*[ce_argc_ + 1];
+ ce_argv_[ce_argc_] = 0; // Last command line entry is a NULL.
+
+ for (int j = 0, cmdLinePos = 0; j < ce_argc_; ++j, ++cmdLinePos) {
+ int length = argv_strlen[j];
+
+ ce_argv_[j] = new wchar_t[length + 1];
+ ce_argv_[j][length] = 0; // string termination null
+
+ if (iswspace(formattedCmdLine[cmdLinePos]) != 0) {
+ // This is where prior argv has trailing '"' at the end.
+ ++cmdLinePos;
+ }
+
+ for (int n = 0; n < length; ++n, ++cmdLinePos) {
+ if ((formattedCmdLine[cmdLinePos] == '\\') || (formattedCmdLine[cmdLinePos] == '"')) {
+ ++cmdLinePos;
+ }
+
+ ce_argv_[j][n] = formattedCmdLine[cmdLinePos];
+ }
+ }
+
+ delete argv_strlen;
+ delete formattedCmdLine;
+}
+
+
+CE_ARGV::~CE_ARGV(void)
+{
+ for (int i = 0; i < ce_argc_; ++i) {
+ delete [] ce_argv_[i];
+ }
+
+ delete [] ce_argv_;
+}