62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
// This file is part of AsmJit project <https://asmjit.com>
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//
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// See asmjit.h or LICENSE.md for license and copyright information
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// SPDX-License-Identifier: Zlib
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#ifndef CMDLINE_H_INCLUDED
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#define CMDLINE_H_INCLUDED
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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class CmdLine {
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public:
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int _argc;
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const char* const* _argv;
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CmdLine(int argc, const char* const* argv)
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: _argc(argc),
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_argv(argv) {}
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bool hasArg(const char* key) const {
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for (int i = 1; i < _argc; i++)
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if (strcmp(key, _argv[i]) == 0)
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return true;
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return false;
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}
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const char* valueOf(const char* key, const char* defaultValue) const {
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size_t keySize = strlen(key);
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for (int i = 1; i < _argc; i++) {
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const char* val = _argv[i];
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if (strlen(val) >= keySize + 1 && val[keySize] == '=' && memcmp(val, key, keySize) == 0)
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return val + keySize + 1;
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}
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return defaultValue;
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}
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int valueAsInt(const char* key, int defaultValue) const {
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const char* val = valueOf(key, nullptr);
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if (val == nullptr || val[0] == '\0')
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return defaultValue;
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return atoi(val);
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}
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unsigned valueAsUInt(const char* key, unsigned defaultValue) const {
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const char* val = valueOf(key, nullptr);
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if (val == nullptr || val[0] == '\0')
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return defaultValue;
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int v = atoi(val);
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if (v < 0)
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return defaultValue;
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else
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return unsigned(v);
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}
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};
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#endif // CMDLINE_H_INCLUDED
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