mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
476 lines
11 KiB
476 lines
11 KiB
//----------------------------------------------------------------------------
|
|
//
|
|
// Copyright (c) 1997-1999 Microsoft Corporation
|
|
// All rights reserved.
|
|
//
|
|
// File Name:
|
|
// string.c
|
|
//
|
|
// Description:
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#include "pch.h"
|
|
|
|
#define _SMGR_MAX_STRING_LEN_ 1024
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: MyLoadString
|
|
//
|
|
// Purpose: Loads a string resource given it's IDS_* and returns
|
|
// a malloc'ed buffer with its contents.
|
|
//
|
|
// The malloc()'ed buffer can be freed with free()
|
|
//
|
|
// Arguments:
|
|
// UINT StringId
|
|
//
|
|
// Returns:
|
|
// Pointer to buffer. An empty string is returned if the StringId
|
|
// does not exist. Null is returned if out of memory.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
LPTSTR
|
|
MyLoadString(IN UINT StringId)
|
|
{
|
|
TCHAR Buffer[_SMGR_MAX_STRING_LEN_];
|
|
TCHAR *lpszRetVal;
|
|
UINT Length;
|
|
|
|
Length = LoadString(FixedGlobals.hInstance,
|
|
StringId,
|
|
Buffer,
|
|
sizeof(Buffer)/sizeof(TCHAR));
|
|
|
|
if( ! Length ) {
|
|
Buffer[0] = _T('\0');
|
|
}
|
|
|
|
lpszRetVal = lstrdup(Buffer);
|
|
if (lpszRetVal == NULL)
|
|
TerminateTheWizard(IDS_ERROR_OUTOFMEMORY);
|
|
|
|
return lpszRetVal;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: CleanSpaceAndQuotes
|
|
//
|
|
// Purpose: Cleans white-space and double quotes from the string and
|
|
// returns a pointer to the start of the non-white-space data.
|
|
//
|
|
// Arguments:
|
|
// LPTSTR - input string
|
|
//
|
|
// Returns:
|
|
// LPTSTR
|
|
//
|
|
// Notes:
|
|
// Uses crt iswspace and iswcntrl. Unicode only.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
LPTSTR
|
|
CleanSpaceAndQuotes(LPTSTR Buffer)
|
|
{
|
|
|
|
TCHAR *p;
|
|
TCHAR *pEnd;
|
|
|
|
p = CleanLeadSpace( Buffer );
|
|
|
|
CleanTrailingSpace( p );
|
|
|
|
pEnd = p + lstrlen( p ) - 1;
|
|
|
|
//
|
|
// Only remove quotes if there is a matching quote at the beginning and
|
|
// end of the string
|
|
//
|
|
if( *p == _T('"') && *pEnd == _T('"'))
|
|
{
|
|
|
|
*pEnd = _T('\0');
|
|
pEnd--;
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
p = CleanLeadSpace( p );
|
|
|
|
CleanTrailingSpace( p );
|
|
|
|
return( p );
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: CleanLeadSpace
|
|
//
|
|
// Purpose: Cleans leading white-space. Returns a pointer to the start
|
|
// of the non-white-space data.
|
|
//
|
|
// Arguments:
|
|
// LPTSTR - input string
|
|
//
|
|
// Returns:
|
|
// LPTSTR
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
LPTSTR
|
|
CleanLeadSpace(LPTSTR Buffer)
|
|
{
|
|
TCHAR *p = Buffer;
|
|
|
|
while ( *p && ( _istspace(*p) || _istcntrl(*p) ) )
|
|
p++;
|
|
|
|
return p;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: CleanTrailingSpace
|
|
//
|
|
// Purpose: Cleans any trailing spaces on a string.
|
|
//
|
|
// Arguments:
|
|
// TCHAR *pszBuffer - the string to remove the trailing spaces from
|
|
//
|
|
// Returns:
|
|
// VOID
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
VOID
|
|
CleanTrailingSpace(TCHAR *pszBuffer)
|
|
{
|
|
|
|
TCHAR *p = pszBuffer;
|
|
|
|
p = p + lstrlen( pszBuffer );
|
|
|
|
while ( p >= pszBuffer && ( _istspace(*p) || _istcntrl(*p) ) )
|
|
{
|
|
*p = _T('\0');
|
|
p--;
|
|
}
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: ConvertQuestionsToNull
|
|
//
|
|
// Purpose: Scan a string and replace all ? with the null char (\0).
|
|
//
|
|
// Arguments: IN OUT TCHAR *pszString -
|
|
//
|
|
// Returns: VOID
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
VOID
|
|
ConvertQuestionsToNull( IN OUT TCHAR *pszString )
|
|
{
|
|
|
|
while( *pszString != _T('\0') )
|
|
{
|
|
|
|
if( *pszString == _T('?') )
|
|
{
|
|
*pszString = _T('\0');
|
|
}
|
|
|
|
pszString++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: lstrcatn
|
|
//
|
|
// Purpose: The standard libraries do not include this function so here it
|
|
// is. It does exactly what you would expect it to. It concatenates
|
|
// one string on to another with a char max limit. No matter the value of
|
|
// iMaxLength, the first string will never be truncated. The terminating
|
|
// null(\0) is always appended.
|
|
//
|
|
// Arguments:
|
|
// IN TCHAR *pszString1 - pointer to target buffer
|
|
// IN const TCHAR *pszString2 - pointer to source string
|
|
// IN INT iMaxLength - max number of characters to appear in the
|
|
// returned string (the combination of the two strings)
|
|
//
|
|
// Returns:
|
|
// LPTSTR
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
TCHAR*
|
|
lstrcatn( IN TCHAR *pszString1, IN const TCHAR *pszString2, IN INT iMaxLength )
|
|
{
|
|
|
|
INT i;
|
|
INT iCharCount = 0;
|
|
|
|
if( lstrlen( pszString1 ) >= iMaxLength ) {
|
|
|
|
return( pszString1 );
|
|
|
|
}
|
|
|
|
//
|
|
// Advance to the end of the first string
|
|
//
|
|
while( *pszString1 != _T('\0') && iCharCount < iMaxLength )
|
|
{
|
|
pszString1++;
|
|
iCharCount++;
|
|
}
|
|
|
|
//
|
|
// Append on to the string character by character
|
|
//
|
|
for( ; iCharCount < (iMaxLength - 1) && *pszString2 != _T('\0'); iCharCount++ )
|
|
{
|
|
|
|
*pszString1 = *pszString2;
|
|
|
|
pszString1++;
|
|
pszString2++;
|
|
|
|
}
|
|
|
|
*pszString1 = _T('\0');
|
|
|
|
return( pszString1 );
|
|
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: DoubleNullStringToNameList
|
|
//
|
|
// Purpose: Takes a pointer to a list of strings (each terminated by a null)
|
|
// with a double null terminating the last string and adds each one to the
|
|
// given namelist. If there are any double quotes(") in the string, they
|
|
// are removed.
|
|
//
|
|
// Arguments:
|
|
// TCHAR *szDoubleNullString - string with embedded strings
|
|
// NAMELIST *pNameList - namelist to add the strings to
|
|
//
|
|
// Returns: VOID
|
|
//
|
|
// Example:
|
|
// If the function is called with the string:
|
|
// one\0two\0\three\0\0
|
|
// then the following strings are added to the namelist:
|
|
// one
|
|
// two
|
|
// three
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
VOID
|
|
DoubleNullStringToNameList( IN TCHAR *szDoubleNullString,
|
|
IN OUT NAMELIST *pNameList )
|
|
{
|
|
|
|
TCHAR szTempString[MAX_INILINE_LEN];
|
|
TCHAR *pStr;
|
|
TCHAR *pShiftStr;
|
|
|
|
do
|
|
{
|
|
lstrcpyn( szTempString, szDoubleNullString, AS(szTempString) );
|
|
|
|
pStr = szTempString;
|
|
|
|
//
|
|
// Remove quotes(") from the string
|
|
//
|
|
while( *pStr != _T('\0') )
|
|
{
|
|
|
|
if( *pStr == _T('"') )
|
|
{
|
|
//
|
|
// Found a quote so slide the string down one to overwrite the "
|
|
//
|
|
pShiftStr = pStr;
|
|
|
|
while( *pShiftStr != _T('\0') )
|
|
{
|
|
|
|
*pShiftStr = *(pShiftStr+1);
|
|
|
|
pShiftStr++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
pStr++;
|
|
|
|
}
|
|
|
|
AddNameToNameList( pNameList, szTempString );
|
|
|
|
//
|
|
// Advance to 1 character passed the \0
|
|
//
|
|
szDoubleNullString = szDoubleNullString + lstrlen( szDoubleNullString ) + 1;
|
|
|
|
} while( *szDoubleNullString != _T('\0') );
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: GetCommaDelimitedEntry
|
|
//
|
|
// Purpose: Used to extract comma separated items out of a buffer
|
|
//
|
|
// pBuffer is passed by reference so it always points to the next
|
|
// char that has not been extracted yet
|
|
//
|
|
// Arguments: TCHAR szIPString[] - used to put the new IP into
|
|
// TCHAR **Buffer - pointer to the IP addresses
|
|
//
|
|
// Returns: BOOL TRUE if an IP was placed in szIPString
|
|
// FALSE if an IP was NOT placed in szIPString
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
BOOL
|
|
GetCommaDelimitedEntry( OUT TCHAR szIPString[], IN OUT TCHAR **pBuffer )
|
|
{
|
|
|
|
INT i;
|
|
|
|
if( **pBuffer == _T('\0') )
|
|
{
|
|
|
|
return( FALSE );
|
|
|
|
}
|
|
else
|
|
{
|
|
if( **pBuffer == _T(',') )
|
|
{
|
|
|
|
(*pBuffer)++;
|
|
|
|
}
|
|
|
|
//
|
|
// Copy an IP string into szIPString char by char
|
|
//
|
|
|
|
for(i = 0;
|
|
**pBuffer != _T(',') && **pBuffer != _T('\0');
|
|
(*pBuffer)++, i++)
|
|
{
|
|
szIPString[i] = **pBuffer;
|
|
}
|
|
|
|
szIPString[i] = _T('\0'); // append the null character
|
|
|
|
return( TRUE );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: StripQuotes
|
|
//
|
|
// Purpose: If a string is quoted(") it removes the quotes and returns the
|
|
// string without quotes.
|
|
//
|
|
// This function has no effect on strings that are not quoted. It
|
|
// will only removed quotes at the beginning at end of the string,
|
|
// regardless if they are paired or not
|
|
//
|
|
// Arguments:
|
|
// TCHAR *String - the string to have its quotes removed.
|
|
//
|
|
// Returns: via the output parameter String, the string with no quotes
|
|
//
|
|
// Example: Some example calls and their return values
|
|
//
|
|
// Called With: Returns:
|
|
// ----------- -------
|
|
//
|
|
// "Quoted" Quoted
|
|
// Not Quoted Not Quoted
|
|
// "Single Quote Single Quote
|
|
// Another Quote" Another Quote
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
VOID
|
|
StripQuotes( IN OUT TCHAR *String )
|
|
{
|
|
|
|
TCHAR *pLastChar = String + lstrlen(String) - 1;
|
|
|
|
//
|
|
// If the last char is quoted, replace it with \0
|
|
//
|
|
if( *pLastChar == _T('"') )
|
|
{
|
|
*pLastChar = _T('\0');
|
|
}
|
|
|
|
if( String[0] == _T('"') )
|
|
{
|
|
|
|
TCHAR *pString = String;
|
|
|
|
//
|
|
// Slide the entire string back one
|
|
//
|
|
while( *pString != _T('\0') )
|
|
{
|
|
*pString = *(pString+1);
|
|
pString++;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Function: DoesContainWhiteSpace
|
|
//
|
|
// Purpose: Determines if a given string contains white space chars.
|
|
//
|
|
// Arguments:
|
|
// LPCTSTR p - the strig to scan for white space
|
|
//
|
|
// Returns: BOOL - TRUE if the string contains white space, FALSE if not
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
BOOL
|
|
DoesContainWhiteSpace( LPCTSTR p )
|
|
{
|
|
|
|
for( ; *p; p++ )
|
|
{
|
|
if( iswspace( *p ) )
|
|
{
|
|
return( TRUE );
|
|
}
|
|
}
|
|
|
|
return( FALSE );
|
|
|
|
}
|