98424c4460
Change over existing code to use this new parser so StructuredData can use the tokenizer to parse JSON instead of doing it manually. This allowed us to easily parse JSON into JSON* objects as well as into StructuredData. llvm-svn: 241522
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
//===-- StringConvert.cpp ---------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// C Includes
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#include <stdlib.h>
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Host/StringConvert.h"
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namespace lldb_private
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{
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namespace StringConvert
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{
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int32_t
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ToSInt32 (const char *s, int32_t fail_value, int base, bool *success_ptr)
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{
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if (s && s[0])
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{
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char *end = nullptr;
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const long sval = ::strtol (s, &end, base);
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if (*end == '\0')
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{
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if (success_ptr)
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*success_ptr = ((sval <= INT32_MAX) && (sval >= INT32_MIN));
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return (int32_t)sval; // All characters were used, return the result
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}
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}
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if (success_ptr)
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*success_ptr = false;
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return fail_value;
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}
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uint32_t
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ToUInt32 (const char *s, uint32_t fail_value, int base, bool *success_ptr)
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{
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if (s && s[0])
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{
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char *end = nullptr;
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const unsigned long uval = ::strtoul (s, &end, base);
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if (*end == '\0')
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{
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if (success_ptr)
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*success_ptr = (uval <= UINT32_MAX);
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return (uint32_t)uval; // All characters were used, return the result
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}
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}
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if (success_ptr)
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*success_ptr = false;
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return fail_value;
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}
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int64_t
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ToSInt64 (const char *s, int64_t fail_value, int base, bool *success_ptr)
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{
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if (s && s[0])
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{
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char *end = nullptr;
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int64_t uval = ::strtoll (s, &end, base);
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if (*end == '\0')
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{
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if (success_ptr)
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*success_ptr = true;
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return uval; // All characters were used, return the result
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}
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}
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if (success_ptr)
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*success_ptr = false;
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return fail_value;
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}
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uint64_t
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ToUInt64 (const char *s, uint64_t fail_value, int base, bool *success_ptr)
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{
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if (s && s[0])
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{
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char *end = nullptr;
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uint64_t uval = ::strtoull (s, &end, base);
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if (*end == '\0')
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{
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if (success_ptr)
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*success_ptr = true;
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return uval; // All characters were used, return the result
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}
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}
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if (success_ptr) *success_ptr = false;
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return fail_value;
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}
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double
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ToDouble (const char *s, double fail_value, bool *success_ptr)
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{
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if (s && s[0])
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{
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char *end = nullptr;
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double val = strtod (s, &end);
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if (*end == '\0')
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{
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if (success_ptr)
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*success_ptr = true;
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return val; // All characters were used, return the result
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}
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}
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if (success_ptr)
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*success_ptr = false;
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return fail_value;
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}
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}
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}
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