435 lines
13 KiB
C++
435 lines
13 KiB
C++
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//
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// Profwiz.cpp doesn't use cmutoa but does include this function. Thus we want the W versions instead of the
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// U versions for profwiz.
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//
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#ifndef _CMUTOA
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#define CharNextU CharNextW
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#define CharPrevU CharPrevW
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#define lstrlenU lstrlenW
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#define lstrcpyU lstrcpyW
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#define lstrcpynU lstrcpynW
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#endif
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/*
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//+----------------------------------------------------------------------------
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//
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// Function: HrParseCustomActionString
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//
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// Synopsis: This function takes a custom action string retrieved from a
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// cms file and parses it into the various parts of a custom
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// action (program, parameters, function name)
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//
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// Arguments: LPTSTR pszStringToParse - custom action buffer to be parsed into
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// the various parts of a custom action
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// LPTSTR pszProgram - output buffer to hold the program string
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// LPTSTR pszParameters - output buffer to hold the parameters string
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// LPTSTR pszFunctionName - output buffer to hold the function name, if any
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//
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// Returns: HRESULT - standard COM error codes
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//
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// History: quintinb Created Header 02/26/00
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//
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//+----------------------------------------------------------------------------
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HRESULT HrParseCustomActionString(LPTSTR pszStringToParse, LPTSTR pszProgram, LPTSTR pszParameters, LPTSTR pszFunctionName)
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{
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if ((NULL == pszStringToParse) || (TEXT('\0') == pszStringToParse[0]) || (NULL == pszProgram) ||
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(NULL == pszParameters) || (NULL == pszFunctionName))
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{
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return E_INVALIDARG;
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}
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//
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// Make sure the strings are blank in case we don't touch them (szFunctionName and szParameters especially)
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//
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pszProgram[0] = TEXT('\0');
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pszParameters[0] = TEXT('\0');
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pszFunctionName[0] = TEXT('\0');
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//
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// Here are the cases we need to handle:
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// 1) +longfilename+
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// 2) +longfilename+ params
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// 3) +longfilename+,dllfuncname
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// 4) +longfilename+,dllfuncname params
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// 5) filename
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// 6) filename params
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// 7) filename,dllfuncname
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// 8) filename,dllfuncname params
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//
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// Walk the string to find the seperator chars
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//
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LPTSTR pszCurrent = pszStringToParse;
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LPTSTR pszFirstPlus = NULL;
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LPTSTR pszSecondPlus = NULL;
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LPTSTR pszFirstSpace = NULL;
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LPTSTR pszFirstComma = NULL;
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while (pszCurrent && (TEXT('\0') != *pszCurrent))
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{
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if ((TEXT('+') == *pszCurrent) && (NULL == pszFirstComma) && (NULL == pszFirstSpace))
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{
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//
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// Keep track of the plus signs, unless we have already seen a space
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// or a comma. In which case these chars are in the parameters and
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// meaningless to us.
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//
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if (NULL == pszFirstPlus)
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{
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pszFirstPlus = pszCurrent;
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}
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else if (NULL == pszSecondPlus)
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{
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pszSecondPlus = pszCurrent;
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}
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}
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else if ((TEXT(',') == *pszCurrent) && (NULL == pszFirstSpace))
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{
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//
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// If we have already seen a space, then the comma is part of
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// the parameters and meaningless to us.
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//
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pszFirstComma = pszCurrent;
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}
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else if ((TEXT(' ') == *pszCurrent))
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{
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if ((NULL == pszFirstPlus) && (NULL == pszFirstSpace))
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{
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//
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// Then we have no plus signs and no previous space, save the space as
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// it is the start of the parameters.
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//
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pszFirstSpace = pszCurrent;
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}
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else if (pszFirstPlus && pszSecondPlus && (NULL == pszFirstSpace))
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{
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//
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// Then we have both plus signs but no space yet, grab it
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// because this is the start of the parameters
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//
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pszFirstSpace = pszCurrent;
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}
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}
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pszCurrent = CharNextU(pszCurrent);
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}
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//
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// From the markers we have, figure out the beginning and end of the program string
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//
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LPTSTR pszStartOfProgram = NULL;
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LPTSTR pszEndOfProgram = NULL;
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if (pszFirstPlus)
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{
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if (pszSecondPlus)
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{
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pszStartOfProgram = CharNextU(pszFirstPlus);
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pszEndOfProgram = CharPrevU(pszStringToParse, pszSecondPlus);
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}
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else
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{
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//
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// We have a string with the first char as a plus sign but no second +.
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// The format isn't correct.
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//
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CMASSERTMSG(FALSE, TEXT("CustomActionList::ParseCustomActionString - Incorrect format in the passed in string to parse, missing + sign."));
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return E_UNEXPECTED;
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}
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}
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else
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{
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pszStartOfProgram = pszStringToParse;
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if (pszFirstComma)
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{
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pszEndOfProgram = CharPrevU(pszStringToParse, pszFirstComma);
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}
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else if (pszFirstSpace)
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{
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pszEndOfProgram = CharPrevU(pszStringToParse, pszFirstSpace);
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}
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else
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{
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//
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// Nothing in the string but the program
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//
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pszEndOfProgram = pszStringToParse + lstrlenU(pszStringToParse) - 1;
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}
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}
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//
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// Now copy out the necessary parts
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//
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int iSize = (int)(pszEndOfProgram - pszStartOfProgram + 2);
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lstrcpynU(pszProgram, pszStartOfProgram, iSize);
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if (pszFirstComma)
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{
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if (pszFirstSpace)
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{
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iSize = (int)(pszFirstSpace - pszFirstComma);
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lstrcpynU(pszFunctionName, CharNextU(pszFirstComma), iSize);
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}
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else
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{
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lstrcpyU(pszFunctionName, CharNextU(pszFirstComma));
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}
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}
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if (pszFirstSpace)
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{
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lstrcpyU(pszParameters, CharNextU(pszFirstSpace));
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}
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return S_OK;
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}
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*/
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//+----------------------------------------------------------------------------
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//
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// Function: HrParseCustomActionString
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//
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// Synopsis: This function takes a custom action string retrieved from a
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// cms file and parses it into the various parts of a custom
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// action (program, parameters, function name)
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//
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// Arguments: LPTSTR pszStringToParse - custom action buffer to be parsed into
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// the various parts of a custom action
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// LPTSTR pszProgram - output buffer to hold the program string
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// LPTSTR pszParameters - output buffer to hold the parameters string
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// LPTSTR pszFunctionName - output buffer to hold the function name, if any
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//
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// Returns: HRESULT - standard COM error codes
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//
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// History: quintinb Created Header 02/26/00
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//
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//+----------------------------------------------------------------------------
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HRESULT HrParseCustomActionString(LPTSTR pszStringToParse, LPTSTR* ppszProgram, LPTSTR* ppszParameters, LPTSTR* ppszFunctionName)
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{
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if ((NULL == pszStringToParse) || (TEXT('\0') == pszStringToParse[0]) || (NULL == ppszProgram) ||
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(NULL == ppszParameters) || (NULL == ppszFunctionName))
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{
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return E_INVALIDARG;
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}
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//
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// NULL out the string pointers to start with
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//
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*ppszProgram = NULL;
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*ppszParameters = NULL;
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*ppszFunctionName = NULL;
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//
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// Here are the cases we need to handle:
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// 1) +longfilename+
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// 2) +longfilename+ params
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// 3) +longfilename+,dllfuncname
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// 4) +longfilename+,dllfuncname params
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// 5) filename
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// 6) filename params
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// 7) filename,dllfuncname
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// 8) filename,dllfuncname params
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//
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// Walk the string to find the seperator chars
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//
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LPTSTR pszCurrent = pszStringToParse;
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LPTSTR pszFirstPlus = NULL;
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LPTSTR pszSecondPlus = NULL;
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LPTSTR pszFirstSpace = NULL;
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LPTSTR pszFirstComma = NULL;
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while (pszCurrent && (TEXT('\0') != *pszCurrent))
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{
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if ((TEXT('+') == *pszCurrent) && (NULL == pszFirstComma) && (NULL == pszFirstSpace))
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{
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//
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// Keep track of the plus signs, unless we have already seen a space
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// or a comma. In which case these chars are in the parameters and
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// meaningless to us.
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//
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if (NULL == pszFirstPlus)
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{
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pszFirstPlus = pszCurrent;
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}
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else if (NULL == pszSecondPlus)
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{
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pszSecondPlus = pszCurrent;
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}
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}
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else if ((TEXT(',') == *pszCurrent) && (NULL == pszFirstSpace))
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{
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//
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// If we have already seen a space, then the comma is part of
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// the parameters and meaningless to us.
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//
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pszFirstComma = pszCurrent;
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}
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else if ((TEXT(' ') == *pszCurrent))
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{
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if ((NULL == pszFirstPlus) && (NULL == pszFirstSpace))
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{
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//
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// Then we have no plus signs and no previous space, save the space as
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// it is the start of the parameters.
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//
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pszFirstSpace = pszCurrent;
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}
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else if (pszFirstPlus && pszSecondPlus && (NULL == pszFirstSpace))
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{
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//
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// Then we have both plus signs but no space yet, grab it
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// because this is the start of the parameters
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//
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pszFirstSpace = pszCurrent;
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}
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}
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pszCurrent = CharNextU(pszCurrent);
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}
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//
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// From the markers we have, figure out the beginning and end of the program string
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//
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LPTSTR pszStartOfProgram = NULL;
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LPTSTR pszEndOfProgram = NULL;
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if (pszFirstPlus)
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{
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if (pszSecondPlus)
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{
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pszStartOfProgram = CharNextU(pszFirstPlus);
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pszEndOfProgram = CharPrevU(pszStringToParse, pszSecondPlus);
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}
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else
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{
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//
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// We have a string with the first char as a plus sign but no second +.
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// The format isn't correct.
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//
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CMASSERTMSG(FALSE, TEXT("CustomActionList::ParseCustomActionString - Incorrect format in the passed in string to parse, missing + sign."));
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return E_UNEXPECTED;
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}
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}
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else
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{
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pszStartOfProgram = pszStringToParse;
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if (pszFirstComma)
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{
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pszEndOfProgram = CharPrevU(pszStringToParse, pszFirstComma);
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}
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else if (pszFirstSpace)
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{
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pszEndOfProgram = CharPrevU(pszStringToParse, pszFirstSpace);
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}
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else
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{
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//
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// Nothing in the string but the program
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//
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pszEndOfProgram = pszStringToParse + lstrlenU(pszStringToParse) - 1;
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}
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}
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//
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// Now copy out the necessary parts
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//
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HRESULT hr = E_OUTOFMEMORY;
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int iSize = (int)(pszEndOfProgram - pszStartOfProgram + 2);
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*ppszProgram = (LPTSTR)CmMalloc(sizeof(TCHAR)*iSize);
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if (*ppszProgram)
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{
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lstrcpynU(*ppszProgram, pszStartOfProgram, iSize);
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if (pszFirstComma)
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{
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if (pszFirstSpace)
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{
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iSize = (int)(pszFirstSpace - pszFirstComma);
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*ppszFunctionName = (LPTSTR)CmMalloc(sizeof(TCHAR)*iSize);
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if (*ppszFunctionName)
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{
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lstrcpynU(*ppszFunctionName, CharNextU(pszFirstComma), iSize);
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}
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else
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{
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goto exit;
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}
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}
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else
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{
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iSize = lstrlen(CharNextU(pszFirstComma)) + 1;
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*ppszFunctionName = (LPTSTR)CmMalloc(sizeof(TCHAR)*iSize);
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if (*ppszFunctionName)
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{
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lstrcpyU(*ppszFunctionName, CharNextU(pszFirstComma));
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}
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else
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{
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goto exit;
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}
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}
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}
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else
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{
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*ppszFunctionName = CmStrCpyAlloc(TEXT(""));
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}
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if (pszFirstSpace)
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{
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iSize = lstrlen(CharNextU(pszFirstSpace)) + 1;
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*ppszParameters = (LPTSTR)CmMalloc(sizeof(TCHAR)*iSize);
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||
|
|
|
||
|
|
if (*ppszParameters)
|
||
|
|
{
|
||
|
|
lstrcpyU(*ppszParameters, CharNextU(pszFirstSpace));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppszParameters = CmStrCpyAlloc(TEXT(""));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (*ppszParameters && *ppszFunctionName && *ppszProgram)
|
||
|
|
{
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
goto exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
exit:
|
||
|
|
MYDBGASSERT(SUCCEEDED(hr));
|
||
|
|
|
||
|
|
if (FAILED(hr))
|
||
|
|
{
|
||
|
|
CMTRACE1(TEXT("HrParseCustomActionString failed, hr = 0x%x"), hr);
|
||
|
|
CmFree(*ppszFunctionName);
|
||
|
|
CmFree(*ppszProgram);
|
||
|
|
CmFree(*ppszParameters);
|
||
|
|
*ppszProgram = NULL;
|
||
|
|
*ppszParameters = NULL;
|
||
|
|
*ppszFunctionName = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|