RTDECL(int) RTGetOptArgvFromString(char ***ppapszArgv, int *pcArgs, const char *pszCmdLine, const char *pszSeparators)
{
/*
* Some input validation.
*/
AssertPtr(pszCmdLine);
AssertPtr(pcArgs);
AssertPtr(ppapszArgv);
if (!pszSeparators)
pszSeparators = " \t\n\r";
else
AssertPtr(pszSeparators);
size_t const cchSeparators = strlen(pszSeparators);
AssertReturn(cchSeparators > 0, VERR_INVALID_PARAMETER);
/*
* Parse the command line and chop off it into argv individual argv strings.
*/
int rc = VINF_SUCCESS;
const char *pszSrc = pszCmdLine;
char *pszDup = (char *)RTMemAlloc(strlen(pszSrc) + 1);
char *pszDst = pszDup;
if (!pszDup)
return VERR_NO_STR_MEMORY;
char **papszArgs = NULL;
unsigned iArg = 0;
while (*pszSrc)
{
/* Skip stuff */
rc = rtGetOptSkipDelimiters(&pszSrc, pszSeparators, cchSeparators);
if (RT_FAILURE(rc))
break;
if (!*pszSrc)
break;
/* Start a new entry. */
if ((iArg % 32) == 0)
{
void *pvNew = RTMemRealloc(papszArgs, (iArg + 33) * sizeof(char *));
if (!pvNew)
{
rc = VERR_NO_MEMORY;
break;
}
papszArgs = (char **)pvNew;
}
papszArgs[iArg++] = pszDst;
/* Parse and copy the string over. */
RTUNICP CpQuote = 0;
RTUNICP Cp;
for (;;)
{
rc = RTStrGetCpEx(&pszSrc, &Cp);
if (RT_FAILURE(rc) || !Cp)
break;
if (!CpQuote)
{
if (Cp == '"' || Cp == '\'')
CpQuote = Cp;
else if (rtGetOptIsCpInSet(Cp, pszSeparators, cchSeparators))
break;
else
pszDst = RTStrPutCp(pszDst, Cp);
}
else if (CpQuote != Cp)
pszDst = RTStrPutCp(pszDst, Cp);
else
CpQuote = 0;
}
*pszDst++ = '\0';
if (RT_FAILURE(rc) || !Cp)
break;
}
if (RT_FAILURE(rc))
{
RTMemFree(pszDup);
RTMemFree(papszArgs);
return rc;
}
/*
* Terminate the array.
* Check for empty string to make sure we've got an array.
*/
if (iArg == 0)
{
RTMemFree(pszDup);
papszArgs = (char **)RTMemAlloc(1 * sizeof(char *));
if (!papszArgs)
return VERR_NO_MEMORY;
}
papszArgs[iArg] = NULL;
*pcArgs = iArg;
*ppapszArgv = papszArgs;
return VINF_SUCCESS;
}
RTDECL(int) RTGetOptArgvFromString(char ***ppapszArgv, int *pcArgs, const char *pszCmdLine,
uint32_t fFlags, const char *pszSeparators)
{
/*
* Some input validation.
*/
AssertPtr(pszCmdLine);
AssertPtr(pcArgs);
AssertPtr(ppapszArgv);
AssertReturn( fFlags == RTGETOPTARGV_CNV_QUOTE_BOURNE_SH
|| fFlags == RTGETOPTARGV_CNV_QUOTE_MS_CRT, VERR_INVALID_FLAGS);
if (!pszSeparators)
pszSeparators = " \t\n\r";
else
AssertPtr(pszSeparators);
size_t const cchSeparators = strlen(pszSeparators);
AssertReturn(cchSeparators > 0, VERR_INVALID_PARAMETER);
/*
* Parse the command line and chop off it into argv individual argv strings.
*/
int rc = VINF_SUCCESS;
const char *pszSrc = pszCmdLine;
char *pszDup = (char *)RTMemAlloc(strlen(pszSrc) + 1);
char *pszDst = pszDup;
if (!pszDup)
return VERR_NO_STR_MEMORY;
char **papszArgs = NULL;
unsigned iArg = 0;
while (*pszSrc)
{
/* Skip stuff */
rc = rtGetOptSkipDelimiters(&pszSrc, pszSeparators, cchSeparators);
if (RT_FAILURE(rc))
break;
if (!*pszSrc)
break;
/* Start a new entry. */
if ((iArg % 32) == 0)
{
void *pvNew = RTMemRealloc(papszArgs, (iArg + 33) * sizeof(char *));
if (!pvNew)
{
rc = VERR_NO_MEMORY;
break;
}
papszArgs = (char **)pvNew;
}
papszArgs[iArg++] = pszDst;
/*
* Parse and copy the string over.
*/
RTUNICP Cp;
if ((fFlags & RTGETOPTARGV_CNV_QUOTE_MASK) == RTGETOPTARGV_CNV_QUOTE_BOURNE_SH)
{
/*
* Bourne shell style.
*/
RTUNICP CpQuote = 0;
for (;;)
{
rc = RTStrGetCpEx(&pszSrc, &Cp);
if (RT_FAILURE(rc) || !Cp)
break;
if (!CpQuote)
{
if (Cp == '"' || Cp == '\'')
CpQuote = Cp;
else if (rtGetOptIsCpInSet(Cp, pszSeparators, cchSeparators))
break;
else if (Cp != '\\')
pszDst = RTStrPutCp(pszDst, Cp);
else
{
/* escaped char */
rc = RTStrGetCpEx(&pszSrc, &Cp);
if (RT_FAILURE(rc) || !Cp)
break;
pszDst = RTStrPutCp(pszDst, Cp);
}
}
else if (CpQuote != Cp)
{
if (Cp != '\\' || CpQuote == '\'')
pszDst = RTStrPutCp(pszDst, Cp);
else
{
/* escaped char */
rc = RTStrGetCpEx(&pszSrc, &Cp);
if (RT_FAILURE(rc) || !Cp)
break;
pszDst = RTStrPutCp(pszDst, Cp);
}
}
else
CpQuote = 0;
}
}
else
{
/*
* Microsoft CRT style.
*/
Assert((fFlags & RTGETOPTARGV_CNV_QUOTE_MASK) == RTGETOPTARGV_CNV_QUOTE_MS_CRT);
bool fInQuote = false;
for (;;)
{
rc = RTStrGetCpEx(&pszSrc, &Cp);
if (RT_FAILURE(rc) || !Cp)
break;
if (Cp == '"')
fInQuote = !fInQuote;
else if (!fInQuote && rtGetOptIsCpInSet(Cp, pszSeparators, cchSeparators))
break;
else if (Cp != '\\')
pszDst = RTStrPutCp(pszDst, Cp);
else
{
/* A backslash sequence is only relevant if followed by
a double quote, then it will work like an escape char. */
size_t cQuotes = 1;
while (*pszSrc == '\\')
{
cQuotes++;
pszSrc++;
}
if (*pszSrc != '"')
/* Not an escape sequence. */
while (cQuotes-- > 0)
pszDst = RTStrPutCp(pszDst, '\\');
else
{
/* Escape sequence. Output half of the slashes. If odd
number, output the escaped double quote . */
while (cQuotes >= 2)
{
pszDst = RTStrPutCp(pszDst, '\\');
cQuotes -= 2;
}
if (!cQuotes)
fInQuote = !fInQuote;
else
pszDst = RTStrPutCp(pszDst, '"');
pszSrc++;
}
}
}
}
*pszDst++ = '\0';
if (RT_FAILURE(rc) || !Cp)
break;
}
if (RT_FAILURE(rc))
{
RTMemFree(pszDup);
RTMemFree(papszArgs);
return rc;
}
/*
* Terminate the array.
* Check for empty string to make sure we've got an array.
*/
if (iArg == 0)
{
RTMemFree(pszDup);
papszArgs = (char **)RTMemAlloc(1 * sizeof(char *));
if (!papszArgs)
return VERR_NO_MEMORY;
}
papszArgs[iArg] = NULL;
*pcArgs = iArg;
*ppapszArgv = papszArgs;
return VINF_SUCCESS;
}
