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+/***************************************************************************************[Options.h]
+Copyright (c) 2008-2010, 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_Options_h
+#define Minisat_Options_h
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+
+#include "IntTypes.h"
+#include "Vec.h"
+#include "ParseUtils.h"
+
+namespace Minisat {
+
+//==================================================================================================
+// Top-level option parse/help functions:
+
+
+extern int parseOptions (int& argc, char** argv, bool strict = false);
+extern int printUsageAndExit(int argc, char** argv, bool verbose = false);
+extern void setUsageHelp (const char* str);
+extern void setHelpPrefixStr (const char* str);
+
+
+//==================================================================================================
+// Options is an abstract class that gives the interface for all types options:
+
+
+class Option
+{
+ public:
+ const char* name;
+ const char* description;
+ const char* category;
+ const char* type_name;
+
+ static vec<Option*>& getOptionList () { static vec<Option*> options; return options; }
+ static const char*& getUsageString() { static const char* usage_str; return usage_str; }
+ static const char*& getHelpPrefixString() { static const char* help_prefix_str = ""; return help_prefix_str; }
+
+ struct OptionLt {
+ bool operator()(const Option* x, const Option* y) {
+ int test1 = strcmp(x->category, y->category);
+ return test1 < 0 || test1 == 0 && strcmp(x->type_name, y->type_name) < 0;
+ }
+ };
+
+ Option(const char* name_,
+ const char* desc_,
+ const char* cate_,
+ const char* type_) :
+ name (name_)
+ , description(desc_)
+ , category (cate_)
+ , type_name (type_)
+ {
+ getOptionList().push(this);
+ }
+
+ public:
+ virtual ~Option() {}
+
+ virtual bool parse (const char* str) = 0;
+ virtual void help (bool verbose = false) = 0;
+
+ friend int parseOptions (int& argc, char** argv, bool strict);
+ friend int printUsageAndExit (int argc, char** argv, bool verbose);
+ friend void setUsageHelp (const char* str);
+ friend void setHelpPrefixStr (const char* str);
+};
+
+
+//==================================================================================================
+// Range classes with specialization for floating types:
+
+
+struct IntRange {
+ int begin;
+ int end;
+ IntRange(int b, int e) : begin(b), end(e) {}
+};
+
+struct Int64Range {
+ int64_t begin;
+ int64_t end;
+ Int64Range(int64_t b, int64_t e) : begin(b), end(e) {}
+};
+
+struct DoubleRange {
+ double begin;
+ double end;
+ bool begin_inclusive;
+ bool end_inclusive;
+ DoubleRange(double b, bool binc, double e, bool einc) : begin(b), end(e), begin_inclusive(binc), end_inclusive(einc) {}
+};
+
+
+//==================================================================================================
+// Double options:
+
+
+class DoubleOption : public Option
+{
+ protected:
+ DoubleRange range;
+ double value;
+
+ public:
+ DoubleOption(const char* c, const char* n, const char* d, double def = double(), DoubleRange r = DoubleRange(-HUGE_VAL, false, HUGE_VAL, false))
+ : Option(n, d, c, "<double>"), range(r), value(def) {
+ // FIXME: set LC_NUMERIC to "C" to make sure that strtof/strtod parses decimal point correctly.
+ }
+
+ operator double (void) const { return value; }
+ operator double& (void) { return value; }
+ DoubleOption& operator=(double x) { value = x; return *this; }
+
+ virtual bool parse(const char* str){
+ const char* span = str;
+
+ if (!match(span, "-") || !match(span, name) || !match(span, "="))
+ return false;
+
+ char* end;
+ double tmp = strtod(span, &end);
+
+ if (end == NULL)
+ return false;
+ else if (tmp >= range.end && (!range.end_inclusive || tmp != range.end)){
+ fprintf(stderr, "ERROR! value <%s> is too large for option \"%s\".\n", span, name);
+ exit(1);
+ }else if (tmp <= range.begin && (!range.begin_inclusive || tmp != range.begin)){
+ fprintf(stderr, "ERROR! value <%s> is too small for option \"%s\".\n", span, name);
+ exit(1); }
+
+ value = tmp;
+ // fprintf(stderr, "READ VALUE: %g\n", value);
+
+ return true;
+ }
+
+ virtual void help (bool verbose = false){
+ fprintf(stderr, " -%-12s = %-8s %c%4.2g .. %4.2g%c (default: %g)\n",
+ name, type_name,
+ range.begin_inclusive ? '[' : '(',
+ range.begin,
+ range.end,
+ range.end_inclusive ? ']' : ')',
+ value);
+ if (verbose){
+ fprintf(stderr, "\n %s\n", description);
+ fprintf(stderr, "\n");
+ }
+ }
+};
+
+
+//==================================================================================================
+// Int options:
+
+
+class IntOption : public Option
+{
+ protected:
+ IntRange range;
+ int32_t value;
+
+ public:
+ IntOption(const char* c, const char* n, const char* d, int32_t def = int32_t(), IntRange r = IntRange(INT32_MIN, INT32_MAX))
+ : Option(n, d, c, "<int32>"), range(r), value(def) {}
+
+ operator int32_t (void) const { return value; }
+ operator int32_t& (void) { return value; }
+ IntOption& operator= (int32_t x) { value = x; return *this; }
+
+ virtual bool parse(const char* str){
+ const char* span = str;
+
+ if (!match(span, "-") || !match(span, name) || !match(span, "="))
+ return false;
+
+ char* end;
+ int32_t tmp = strtol(span, &end, 10);
+
+ if (end == NULL)
+ return false;
+ else if (tmp > range.end){
+ fprintf(stderr, "ERROR! value <%s> is too large for option \"%s\".\n", span, name);
+ exit(1);
+ }else if (tmp < range.begin){
+ fprintf(stderr, "ERROR! value <%s> is too small for option \"%s\".\n", span, name);
+ exit(1); }
+
+ value = tmp;
+
+ return true;
+ }
+
+ virtual void help (bool verbose = false){
+ fprintf(stderr, " -%-12s = %-8s [", name, type_name);
+ if (range.begin == INT32_MIN)
+ fprintf(stderr, "imin");
+ else
+ fprintf(stderr, "%4d", range.begin);
+
+ fprintf(stderr, " .. ");
+ if (range.end == INT32_MAX)
+ fprintf(stderr, "imax");
+ else
+ fprintf(stderr, "%4d", range.end);
+
+ fprintf(stderr, "] (default: %d)\n", value);
+ if (verbose){
+ fprintf(stderr, "\n %s\n", description);
+ fprintf(stderr, "\n");
+ }
+ }
+};
+
+
+// Leave this out for visual C++ until Microsoft implements C99 and gets support for strtoll.
+#ifndef _MSC_VER
+
+class Int64Option : public Option
+{
+ protected:
+ Int64Range range;
+ int64_t value;
+
+ public:
+ Int64Option(const char* c, const char* n, const char* d, int64_t def = int64_t(), Int64Range r = Int64Range(INT64_MIN, INT64_MAX))
+ : Option(n, d, c, "<int64>"), range(r), value(def) {}
+
+ operator int64_t (void) const { return value; }
+ operator int64_t& (void) { return value; }
+ Int64Option& operator= (int64_t x) { value = x; return *this; }
+
+ virtual bool parse(const char* str){
+ const char* span = str;
+
+ if (!match(span, "-") || !match(span, name) || !match(span, "="))
+ return false;
+
+ char* end;
+ int64_t tmp = strtoll(span, &end, 10);
+
+ if (end == NULL)
+ return false;
+ else if (tmp > range.end){
+ fprintf(stderr, "ERROR! value <%s> is too large for option \"%s\".\n", span, name);
+ exit(1);
+ }else if (tmp < range.begin){
+ fprintf(stderr, "ERROR! value <%s> is too small for option \"%s\".\n", span, name);
+ exit(1); }
+
+ value = tmp;
+
+ return true;
+ }
+
+ virtual void help (bool verbose = false){
+ fprintf(stderr, " -%-12s = %-8s [", name, type_name);
+ if (range.begin == INT64_MIN)
+ fprintf(stderr, "imin");
+ else
+ fprintf(stderr, "%4"PRIi64, range.begin);
+
+ fprintf(stderr, " .. ");
+ if (range.end == INT64_MAX)
+ fprintf(stderr, "imax");
+ else
+ fprintf(stderr, "%4"PRIi64, range.end);
+
+ fprintf(stderr, "] (default: %"PRIi64")\n", value);
+ if (verbose){
+ fprintf(stderr, "\n %s\n", description);
+ fprintf(stderr, "\n");
+ }
+ }
+};
+#endif
+
+//==================================================================================================
+// String option:
+
+
+class StringOption : public Option
+{
+ const char* value;
+ public:
+ StringOption(const char* c, const char* n, const char* d, const char* def = NULL)
+ : Option(n, d, c, "<string>"), value(def) {}
+
+ operator const char* (void) const { return value; }
+ operator const char*& (void) { return value; }
+ StringOption& operator= (const char* x) { value = x; return *this; }
+
+ virtual bool parse(const char* str){
+ const char* span = str;
+
+ if (!match(span, "-") || !match(span, name) || !match(span, "="))
+ return false;
+
+ value = span;
+ return true;
+ }
+
+ virtual void help (bool verbose = false){
+ fprintf(stderr, " -%-10s = %8s\n", name, type_name);
+ if (verbose){
+ fprintf(stderr, "\n %s\n", description);
+ fprintf(stderr, "\n");
+ }
+ }
+};
+
+
+//==================================================================================================
+// Bool option:
+
+
+class BoolOption : public Option
+{
+ bool value;
+
+ public:
+ BoolOption(const char* c, const char* n, const char* d, bool v)
+ : Option(n, d, c, "<bool>"), value(v) {}
+
+ operator bool (void) const { return value; }
+ operator bool& (void) { return value; }
+ BoolOption& operator=(bool b) { value = b; return *this; }
+
+ virtual bool parse(const char* str){
+ const char* span = str;
+
+ if (match(span, "-")){
+ bool b = !match(span, "no-");
+
+ if (strcmp(span, name) == 0){
+ value = b;
+ return true; }
+ }
+
+ return false;
+ }
+
+ virtual void help (bool verbose = false){
+
+ fprintf(stderr, " -%s, -no-%s", name, name);
+
+ for (uint32_t i = 0; i < 32 - strlen(name)*2; i++)
+ fprintf(stderr, " ");
+
+ fprintf(stderr, " ");
+ fprintf(stderr, "(default: %s)\n", value ? "on" : "off");
+ if (verbose){
+ fprintf(stderr, "\n %s\n", description);
+ fprintf(stderr, "\n");
+ }
+ }
+};
+
+//=================================================================================================
+}
+
+#endif
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