aplfw/system/command/command.c

   1
   2 #include <string.h>
   3 #include "command.h"
   4 #include "system/sysapi/sysapi.h"
   5 #include "library/container/assoc/assoc.h"
   6
   7
   8 C_ASSOC Command_Assoc;
   9
  10
  11 void Command_Initialize(void)
  12 {
  13         /* システムメモリを使う連想配列を生成 */
  14         Assoc_CreateEx(&Command_Assoc, SysMem_GetMemIf());
  15 }
  16
  17 /* コマンドを登録する */
  18 void Command_AddCommand(const char *pszName, COMMAND_FUNC pfncMain)
  19 {
  20         Assoc_Add(&Command_Assoc, pszName, &pfncMain, sizeof(pfncMain));
  21 }
  22
  23
  24 /* コマンドを実行する */
  25 COMMAND_ERR Command_Execute(const char *pszCommandLine, int *piExitCode)
  26 {
  27         const COMMAND_FUNC *ppfncMain;
  28         COMMAND_ERR Ret = COMMAND_ERR_NG;
  29         int  iExitCode;
  30         char *pszBuf;
  31         char **ppszArgv;
  32         int  iLen;
  33         int  iArgc = 0;
  34         int  i;
  35
  36         /* メモリ確保 */
  37         iLen = strlen(pszCommandLine);
  38         if ( (pszBuf = (char *)SysMem_Alloc(iLen+1)) == NULL )
  39         {
  40                 return COMMAND_ERR_NG;
  41         }
  42         if ( (ppszArgv = (char **)SysMem_Alloc((iLen/2+1) * sizeof(char *))) == NULL )
  43         {
  44                 SysMem_Free(pszBuf);
  45                 return COMMAND_ERR_NG;
  46         }
  47
  48         /* パラメータ分解 */
  49         strcpy(pszBuf, pszCommandLine);
  50         for ( i = 0; ; )
  51         {
  52                 /* 空白読み飛ばし */
  53                 while ( pszBuf[i] == ' ' )
  54                 {
  55                         i++;
  56                 }
  57
  58                 if ( pszBuf[i] == '\0' )
  59                 {
  60                         break;
  61                 }
  62
  63                 /* パラメータ設定 */
  64                 ppszArgv[iArgc++] = &pszBuf[i];
  65
  66                 /* 空白読み飛ばし */
  67                 while ( pszBuf[i] != ' ' && pszBuf[i] != '\0' )
  68                 {
  69                         i++;
  70                 }
  71
  72                 if ( pszBuf[i] == '\0' )
  73                 {
  74                         break;
  75                 }
  76
  77                 pszBuf[i++] = '\0';
  78         }
  79         ppszArgv[iArgc] = NULL;
  80
  81         if ( iArgc > 0 )
  82         {
  83                 ppfncMain = (const COMMAND_FUNC *)Assoc_Get(&Command_Assoc, ppszArgv[0]);
  84                 if ( ppfncMain != NULL )
  85                 {
  86                         iExitCode = (*ppfncMain)(iArgc, ppszArgv);
  87                         if ( piExitCode != NULL )
  88                         {
  89                                 *piExitCode = iExitCode;
  90                         }
  91                         Ret = COMMAND_ERR_OK;
  92                 }
  93         }
  94
  95         SysMem_Free(pszBuf);
  96         SysMem_Free(ppszArgv);
  97
  98         return Ret;
  99 }
 100
 101
 102 COMMAND_PTR Command_GetFirstCommand(void)
 103 {
 104         ASSOC_POS Pos;
 105
 106         Pos = Assoc_GetFirst(&Command_Assoc);
 107
 108         return (COMMAND_PTR)Pos;
 109 }
 110
 111
 112 COMMAND_PTR Command_GetNextCommand(COMMAND_PTR Ptr, const char **ppszName)
 113 {
 114         ASSOC_POS Pos;
 115
 116         Pos = (ASSOC_POS)Ptr;
 117
 118         Assoc_GetAt(&Command_Assoc, Pos, ppszName);
 119
 120         Pos = Assoc_GetNext(&Command_Assoc, Pos);
 121
 122         return (COMMAND_PTR)Pos;
 123 }
 124
 125
 126 COMMAND_FUNC Command_GetCommandAddr(const char *pszName)
 127 {
 128         const COMMAND_FUNC *ppfncMain;
 129
 130         ppfncMain = (const COMMAND_FUNC *)Assoc_Get(&Command_Assoc, pszName);
 131
 132         return *ppfncMain;
 133 }
 134
 135
 136