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102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
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/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#include <base/system.h>
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#include <engine/kernel.h>
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class CKernel : public IKernel
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{
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enum
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{
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MAX_INTERFACES=32,
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};
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class CInterfaceInfo
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{
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public:
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CInterfaceInfo()
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{
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m_aName[0] = 0;
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m_pInterface = 0x0;
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}
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char m_aName[64];
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IInterface *m_pInterface;
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};
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CInterfaceInfo m_aInterfaces[MAX_INTERFACES];
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int m_NumInterfaces;
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CInterfaceInfo *FindInterfaceInfo(const char *pName)
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{
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for(int i = 0; i < m_NumInterfaces; i++)
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{
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if(str_comp(pName, m_aInterfaces[i].m_aName) == 0)
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return &m_aInterfaces[i];
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}
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return 0x0;
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}
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public:
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CKernel()
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{
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m_NumInterfaces = 0;
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}
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virtual bool RegisterInterfaceImpl(const char *pName, IInterface *pInterface)
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{
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// TODO: More error checks here
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if(!pInterface)
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{
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dbg_msg("kernel", "ERROR: couldn't register interface %s. null pointer given", pName);
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return false;
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}
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if(m_NumInterfaces == MAX_INTERFACES)
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{
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dbg_msg("kernel", "ERROR: couldn't register interface '%s'. maximum of interfaces reached", pName);
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return false;
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}
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if(FindInterfaceInfo(pName) != 0)
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{
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dbg_msg("kernel", "ERROR: couldn't register interface '%s'. interface already exists", pName);
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return false;
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}
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pInterface->m_pKernel = this;
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m_aInterfaces[m_NumInterfaces].m_pInterface = pInterface;
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str_copy(m_aInterfaces[m_NumInterfaces].m_aName, pName, sizeof(m_aInterfaces[m_NumInterfaces].m_aName));
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m_NumInterfaces++;
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return true;
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}
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virtual bool ReregisterInterfaceImpl(const char *pName, IInterface *pInterface)
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{
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if(FindInterfaceInfo(pName) == 0)
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{
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dbg_msg("kernel", "ERROR: couldn't reregister interface '%s'. interface doesn't exist");
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return false;
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}
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pInterface->m_pKernel = this;
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return true;
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}
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virtual IInterface *RequestInterfaceImpl(const char *pName)
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{
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CInterfaceInfo *pInfo = FindInterfaceInfo(pName);
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if(!pInfo)
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{
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dbg_msg("kernel", "failed to find interface with the name '%s'", pName);
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return 0;
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}
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return pInfo->m_pInterface;
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}
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};
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IKernel *IKernel::Create() { return new CKernel; }
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