103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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#include "GetWord.h"
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char* GetWord( char* toWordPtr, char* fromStrPtr, SInt32 limit )
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{
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// get a word from a string
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// copy result into toWordPtr, return one past end of the
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// word, limit is max for toWordPtr
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// fromStrPtr
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// trim any leading white space
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while ( (unsigned char)*fromStrPtr <= 0x20 && *fromStrPtr )
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fromStrPtr++;
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// copy until we find more white space
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while ( limit && (unsigned char)*fromStrPtr > 0x20 && *fromStrPtr )
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{
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*toWordPtr++ = *fromStrPtr++;
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limit--;
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}
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*toWordPtr = 0x00;
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return (char *) fromStrPtr;
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}
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char * GetQuotedWord( char* toWordPtr, char* fromStrPtr, SInt32 limit )
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{
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// get a quote encoded word from a string
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// make include white space
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int lastWasQuote = 0;
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// trim any leading white space
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while ( ( (unsigned char)*fromStrPtr <= 0x20 ) && *fromStrPtr )
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fromStrPtr++;
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if ( (unsigned char)*fromStrPtr == '"' )
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{ // must lead with quote sign after white space
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fromStrPtr++;
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// copy until we find the last single quote
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while ( limit && *fromStrPtr )
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{
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if ( (unsigned char)*fromStrPtr == '"' )
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{
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if ( lastWasQuote )
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{
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*toWordPtr++ = '"';
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lastWasQuote = 0;
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limit--;
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}
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else
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lastWasQuote = 1;
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}
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else
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{
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if ( !lastWasQuote )
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{ *toWordPtr++ = *fromStrPtr;
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limit--;
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}
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else // we're done, hit a quote by itself
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break;
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}
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// consume the char we read
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fromStrPtr++;
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}
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}
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*toWordPtr = 0x00;
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return (char *) fromStrPtr;
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}
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