119 lines
2.4 KiB
C++
119 lines
2.4 KiB
C++
/*
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* Copyright 2010-2018 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#include <bx/allocator.h>
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#include <bx/commandline.h>
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#include <bx/hash.h>
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#include <bx/string.h>
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#include "dbg.h"
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#include "cmd.h"
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#include "entry_p.h"
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#include <tinystl/allocator.h>
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#include <tinystl/string.h>
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#include <tinystl/unordered_map.h>
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namespace stl = tinystl;
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struct CmdContext
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{
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CmdContext()
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{
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}
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~CmdContext()
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{
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}
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void add(const char* _name, ConsoleFn _fn, void* _userData)
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{
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uint32_t cmd = bx::hash<bx::HashMurmur2A>(_name, (uint32_t)bx::strLen(_name) );
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BX_CHECK(m_lookup.end() == m_lookup.find(cmd), "Command \"%s\" already exist.", _name);
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Func fn = { _fn, _userData };
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m_lookup.insert(stl::make_pair(cmd, fn) );
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}
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void exec(const char* _cmd)
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{
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for (const char* next = _cmd; '\0' != *next; _cmd = next)
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{
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char commandLine[1024];
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uint32_t size = sizeof(commandLine);
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int argc;
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char* argv[64];
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next = bx::tokenizeCommandLine(_cmd, commandLine, size, argc, argv, BX_COUNTOF(argv), '\n');
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if (argc > 0)
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{
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int err = -1;
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uint32_t cmd = bx::hash<bx::HashMurmur2A>(argv[0], (uint32_t)bx::strLen(argv[0]) );
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CmdLookup::iterator it = m_lookup.find(cmd);
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if (it != m_lookup.end() )
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{
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Func& fn = it->second;
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err = fn.m_fn(this, fn.m_userData, argc, argv);
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}
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switch (err)
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{
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case 0:
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break;
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case -1:
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{
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stl::string tmp(_cmd, next-_cmd - (*next == '\0' ? 0 : 1) );
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DBG("Command '%s' doesn't exist.", tmp.c_str() );
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}
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break;
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default:
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{
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stl::string tmp(_cmd, next-_cmd - (*next == '\0' ? 0 : 1) );
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DBG("Failed '%s' err: %d.", tmp.c_str(), err);
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}
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break;
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}
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}
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}
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}
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struct Func
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{
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ConsoleFn m_fn;
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void* m_userData;
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};
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typedef stl::unordered_map<uint32_t, Func> CmdLookup;
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CmdLookup m_lookup;
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};
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static CmdContext* s_cmdContext;
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void cmdInit()
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{
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s_cmdContext = BX_NEW(entry::getAllocator(), CmdContext);
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}
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void cmdShutdown()
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{
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BX_DELETE(entry::getAllocator(), s_cmdContext);
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}
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void cmdAdd(const char* _name, ConsoleFn _fn, void* _userData)
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{
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s_cmdContext->add(_name, _fn, _userData);
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}
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void cmdExec(const char* _format, ...)
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{
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char tmp[2048];
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va_list argList;
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va_start(argList, _format);
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bx::vsnprintf(tmp, BX_COUNTOF(tmp), _format, argList);
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va_end(argList);
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s_cmdContext->exec(tmp);
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}
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