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Diffstat (limited to 'src/base/io/ioJson.c')
| -rw-r--r-- | src/base/io/ioJson.c | 270 |
1 files changed, 270 insertions, 0 deletions
diff --git a/src/base/io/ioJson.c b/src/base/io/ioJson.c new file mode 100644 index 00000000..07c152bc --- /dev/null +++ b/src/base/io/ioJson.c @@ -0,0 +1,270 @@ +/**CFile**************************************************************** + + FileName [ioJson.c] + + SystemName [ABC: Logic synthesis and verification system.] + + PackageName [Command processing package.] + + Synopsis [Procedures to read JSON.] + + Author [Alan Mishchenko] + + Affiliation [UC Berkeley] + + Date [Ver. 1.0. Started - June 20, 2005.] + + Revision [$Id: ioJson.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $] + +***********************************************************************/ + +#include "ioAbc.h" +#include "misc/vec/vecWec.h" +#include "misc/util/utilNam.h" +#include "misc/extra/extra.h" + +ABC_NAMESPACE_IMPL_START + + +//////////////////////////////////////////////////////////////////////// +/// DECLARATIONS /// +//////////////////////////////////////////////////////////////////////// + +static inline int Json_EntryIsName( int Fan ) { return Abc_LitIsCompl(Fan); } +static inline char * Json_EntryName( Abc_Nam_t * pStrs, int Fan ) { assert(Json_EntryIsName(Fan)); return Abc_NamStr( pStrs, Abc_Lit2Var(Fan) ); } +static inline Vec_Int_t * Json_EntryNode( Vec_Wec_t * vObjs, int Fan ) { assert(!Json_EntryIsName(Fan)); return Vec_WecEntry( vObjs, Abc_Lit2Var(Fan) ); } + +//////////////////////////////////////////////////////////////////////// +/// FUNCTION DEFINITIONS /// +//////////////////////////////////////////////////////////////////////// + +/**Function************************************************************* + + Synopsis [Parsing.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +static inline int Json_CharIsSpace( char c ) +{ + return (c == ' ' || c == '\t' || c == '\r' || c == '\n'); +} +static inline char * Json_SkipSpaces( char * pCur ) +{ + while ( Json_CharIsSpace(*pCur) ) + pCur++; + return pCur; +} +static inline char * Json_SkipNonSpaces( char * pCur ) +{ + while ( !Json_CharIsSpace(*pCur) ) + pCur++; + return pCur; +} +static inline int Json_TokenCompare( char * pCur, char * pNext, char ** ppCur2, char ** ppNext2 ) +{ +// int i; + if ( *pCur == '\"' ) + pCur++; + if ( *(pNext-1) == ',' ) + pNext--; + if ( *(pNext-1) == '\"' ) + pNext--; + *ppCur2 = pCur; + *ppNext2 = pNext; +// for ( i = 1; i < JSON_NUM_LINES; i++ ) +// if ( !strncmp( s_Types[i].pName, pCur, pNext - pCur ) ) +// return i; + return 0; +} + +/**Function************************************************************* + + Synopsis [Writes JSON into a file.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Json_Write_rec( FILE * pFile, Abc_Nam_t * pStr, Vec_Wec_t * vObjs, Vec_Int_t * vArray, int Level, int fAddComma, int fSpaces ) +{ + int i, Entry1, Entry2, fComma; + if ( Vec_IntEntry(vArray, 0) ) // array + { + if ( Vec_IntSize(vArray) == 1 ) + fprintf( pFile, "[]" ); + else if ( Vec_IntSize(vArray) == 2 && Json_EntryIsName(Vec_IntEntry(vArray,1)) ) + fprintf( pFile, "[ \"%s\" ]", Json_EntryName(pStr, Vec_IntEntry(vArray,1)) ); + else + { + if ( fSpaces ) + fprintf( pFile, "%*s", 3*(Level-1), "" ); + fprintf( pFile, "[\n" ); + Vec_IntForEachEntryStart( vArray, Entry1, i, 1 ) + { + fComma = (i < Vec_IntSize(vArray) - 1); + if ( Json_EntryIsName(Entry1) ) + fprintf( pFile, "%*s\"%s\"%s\n", 3*Level, "", Json_EntryName(pStr, Entry1), fComma ? ",":"" ); + else + Json_Write_rec( pFile, pStr, vObjs, Json_EntryNode(vObjs, Entry1), Level+1, fComma, 1 ); + } + fprintf( pFile, "%*s]", 3*(Level-1), "" ); + } + fprintf( pFile, "%s\n", fAddComma ? ",":"" ); + } + else // list of pairs + { + if ( fSpaces ) + fprintf( pFile, "%*s", 3*(Level-1), "" ); + fprintf( pFile, "{\n" ); + assert( Vec_IntSize(vArray) % 2 != 0 ); + Vec_IntForEachEntryDoubleStart( vArray, Entry1, Entry2, i, 1 ) + { + fComma = (i < Vec_IntSize(vArray) - 3); + if ( Json_EntryIsName(Entry1) ) + fprintf( pFile, "%*s\"%s\"", 3*Level, "", Json_EntryName(pStr, Entry1) ); + else + Json_Write_rec( pFile, pStr, vObjs, Json_EntryNode(vObjs, Entry1), Level+1, 0, 1 ); + fprintf( pFile, " : " ); + if ( Json_EntryIsName(Entry2) ) + fprintf( pFile, "\"%s\"%s\n", Json_EntryName(pStr, Entry2), fComma ? ",":"" ); + else + Json_Write_rec( pFile, pStr, vObjs, Json_EntryNode(vObjs, Entry2), Level+1, fComma, 0 ); + } + fprintf( pFile, "%*s}%s\n", 3*(Level-1), "", fAddComma ? ",":"" ); + } +} +void Json_Write( char * pFileName, Abc_Nam_t * pStr, Vec_Wec_t * vObjs ) +{ + FILE * pFile = fopen( pFileName, "wb" ); + if ( pFile == NULL ) + { + printf( "Cannot open file \"%s\" for writing.\n", pFileName ); + return; + } + Json_Write_rec( pFile, pStr, vObjs, Vec_WecEntry(vObjs, 0), 1, 0, 1 ); + fclose( pFile ); +} + +/**Function************************************************************* + + Synopsis [Reads JSON from a file.] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +Vec_Wec_t * Json_Read( char * pFileName, Abc_Nam_t ** ppStrs ) +{ + Abc_Nam_t * pStrs; + Vec_Wec_t * vObjs; + Vec_Int_t * vStack, * vTemp; + char * pContents, * pCur, * pNext, * pCur2, * pNext2; + int nFileSize, RetValue, iToken; + FILE * pFile; + + // read the file into the buffer + pFile = fopen( pFileName, "rb" ); + if ( pFile == NULL ) + { + printf( "Cannot open file \"%s\" for reading.\n", pFileName ); + return NULL; + } + nFileSize = Extra_FileSize( pFileName ); + pContents = pCur = ABC_ALLOC( char, nFileSize+1 ); + RetValue = fread( pContents, nFileSize, 1, pFile ); + pContents[nFileSize] = 0; + fclose( pFile ); + + // start data-structures + vObjs = Vec_WecAlloc( 1000 ); + vStack = Vec_IntAlloc( 100 ); + pStrs = Abc_NamStart( 1000, 24 ); + //Json_AddTypes( pStrs ); + + // read lines + assert( Vec_WecSize(vObjs) == 0 ); + assert( Vec_IntSize(vStack) == 0 ); + while ( pCur < pContents + nFileSize ) + { + pCur = Json_SkipSpaces( pCur ); + if ( *pCur == '\0' ) + break; + pNext = Json_SkipNonSpaces( pCur ); + if ( *pCur == '{' || *pCur == '[' ) + { + // add fanin to node on the previous level + if ( Vec_IntSize(vStack) > 0 ) + Vec_IntPush( Vec_WecEntry(vObjs, Vec_IntEntryLast(vStack)), Abc_Var2Lit(Vec_WecSize(vObjs), 0) ); + // add node to the stack + Vec_IntPush( vStack, Vec_WecSize(vObjs) ); + vTemp = Vec_WecPushLevel( vObjs ); + Vec_IntGrow( vTemp, 4 ); + // remember it as an array + Vec_IntPush( vTemp, (int)(*pCur == '[') ); + pCur++; + continue; + } + if ( *pCur == '}' || *pCur == ']' ) + { + Vec_IntPop( vStack ); + pCur++; + continue; + } + if ( *pCur == ',' || *pCur == ':' ) + { + pCur++; + continue; + } + iToken = Json_TokenCompare( pCur, pNext, &pCur2, &pNext2 ); + if ( iToken == 0 ) + iToken = Abc_NamStrFindOrAddLim( pStrs, pCur2, pNext2, NULL ); + Vec_IntPush( Vec_WecEntry(vObjs, Vec_IntEntryLast(vStack)), Abc_Var2Lit(iToken, 1) ); + pCur = pNext; + } + Vec_IntFree( vStack ); + ABC_FREE( pContents ); + *ppStrs = pStrs; + return vObjs; +} + +/**Function************************************************************* + + Synopsis [] + + Description [] + + SideEffects [] + + SeeAlso [] + +***********************************************************************/ +void Json_ReadTest( char * pFileName ) +{ + Abc_Nam_t * pStrs; + Vec_Wec_t * vObjs; + vObjs = Json_Read( pFileName, &pStrs ); + if ( vObjs == NULL ) + return; + Json_Write( "test.json", pStrs, vObjs ); + Abc_NamDeref( pStrs ); + Vec_WecFree( vObjs ); +} + +//////////////////////////////////////////////////////////////////////// +/// END OF FILE /// +//////////////////////////////////////////////////////////////////////// + + +ABC_NAMESPACE_IMPL_END + |