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-rw-r--r--src/prop/minisat/utils/ParseUtils.h122
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diff --git a/src/prop/minisat/utils/ParseUtils.h b/src/prop/minisat/utils/ParseUtils.h
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--- a/src/prop/minisat/utils/ParseUtils.h
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-/************************************************************************************[ParseUtils.h]
-Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
-Copyright (c) 2007-2010, Niklas Sorensson
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
-associated documentation files (the "Software"), to deal in the Software without restriction,
-including without limitation the rights to use, copy, modify, merge, publish, distribute,
-sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or
-substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
-NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
-OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-**************************************************************************************************/
-
-#ifndef Minisat_ParseUtils_h
-#define Minisat_ParseUtils_h
-
-#include <stdlib.h>
-#include <stdio.h>
-
-#include <zlib.h>
-
-namespace Minisat {
-
-//-------------------------------------------------------------------------------------------------
-// A simple buffered character stream class:
-
-static const int buffer_size = 1048576;
-
-
-class StreamBuffer {
- gzFile in;
- unsigned char buf[buffer_size];
- int pos;
- int size;
-
- void assureLookahead() {
- if (pos >= size) {
- pos = 0;
- size = gzread(in, buf, sizeof(buf)); } }
-
-public:
- explicit StreamBuffer(gzFile i) : in(i), pos(0), size(0) { assureLookahead(); }
-
- int operator * () const { return (pos >= size) ? EOF : buf[pos]; }
- void operator ++ () { pos++; assureLookahead(); }
- int position () const { return pos; }
-};
-
-
-//-------------------------------------------------------------------------------------------------
-// End-of-file detection functions for StreamBuffer and char*:
-
-
-static inline bool isEof(StreamBuffer& in) { return *in == EOF; }
-static inline bool isEof(const char* in) { return *in == '\0'; }
-
-//-------------------------------------------------------------------------------------------------
-// Generic parse functions parametrized over the input-stream type.
-
-
-template<class B>
-static void skipWhitespace(B& in) {
- while ((*in >= 9 && *in <= 13) || *in == 32)
- ++in; }
-
-
-template<class B>
-static void skipLine(B& in) {
- for (;;){
- if (isEof(in)) return;
- if (*in == '\n') { ++in; return; }
- ++in; } }
-
-
-template<class B>
-static int parseInt(B& in) {
- int val = 0;
- bool neg = false;
- skipWhitespace(in);
- if (*in == '-') neg = true, ++in;
- else if (*in == '+') ++in;
- if (*in < '0' || *in > '9') fprintf(stderr, "PARSE ERROR! Unexpected char: %c\n", *in), exit(3);
- while (*in >= '0' && *in <= '9')
- val = val*10 + (*in - '0'),
- ++in;
- return neg ? -val : val; }
-
-
-// String matching: in case of a match the input iterator will be advanced the corresponding
-// number of characters.
-template<class B>
-static bool match(B& in, const char* str) {
- int i;
- for (i = 0; str[i] != '\0'; i++)
- if (in[i] != str[i])
- return false;
-
- in += i;
-
- return true;
-}
-
-// String matching: consumes characters eagerly, but does not require random access iterator.
-template<class B>
-static bool eagerMatch(B& in, const char* str) {
- for (; *str != '\0'; ++str, ++in)
- if (*str != *in)
- return false;
- return true; }
-
-
-//=================================================================================================
-}
-
-#endif
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