Thu Apr 8 01:23:20 2010

Asterisk developer's documentation

pval.h File Reference

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Data Structures

struct  argapp
struct  pval

Typedefs

typedef struct pval pval

Enumerations

enum  pvaltype {
  PV_WORD, PV_MACRO, PV_CONTEXT, PV_MACRO_CALL,
  PV_APPLICATION_CALL, PV_CASE, PV_PATTERN, PV_DEFAULT,
  PV_CATCH, PV_SWITCHES, PV_ESWITCHES, PV_INCLUDES,
  PV_STATEMENTBLOCK, PV_VARDEC, PV_GOTO, PV_LABEL,
  PV_FOR, PV_WHILE, PV_BREAK, PV_RETURN,
  PV_CONTINUE, PV_IF, PV_IFTIME, PV_RANDOM,
  PV_SWITCH, PV_EXTENSION, PV_IGNOREPAT, PV_GLOBALS,
  PV_LOCALVARDEC
}

Functions

void add_extensions (struct ael_extension *exten)
void ast_compile_ael2 (struct ast_context **local_contexts, struct ast_hashtab *local_table, struct pval *root)
int ast_expr (char *expr, char *buf, int length, struct ast_channel *chan)
void ast_expr_clear_extra_error_info (void)
void ast_expr_register_extra_error_info (char *errmsg)
int check_app_args (pval *appcall, pval *arglist, struct argapp *app)
void check_pval (pval *item, struct argapp *apps, int in_globals)
void check_pval_item (pval *item, struct argapp *apps, int in_globals)
void check_switch_expr (pval *item, struct argapp *apps)
int count_labels_in_current_context (char *label)
void destroy_extensions (struct ael_extension *exten)
void destroy_pval (pval *item)
void destroy_pval_item (pval *item)
int do_pbx_load_module (void)
struct pval * find_context (char *name)
struct pval * find_macro (char *name)
int is_empty (char *arg)
int is_float (char *arg)
int is_int (char *arg)
void linkprio (struct ael_extension *exten, struct ael_priority *prio, struct ael_extension *mother_exten)
struct ael_extension * new_exten (void)
struct ael_priority * new_prio (void)
void pvalAppCallAddArg (pval *p, pval *arg)
char * pvalAppCallGetAppName (pval *p)
void pvalAppCallSetAppName (pval *p, char *name)
void pvalAppCallSetArglist (pval *p, pval *arglist)
pval * pvalAppCallWalkArgs (pval *p, pval **args)
void pvalCasePatDefAddStatement (pval *p, pval *statement)
pval * pvalCasePatDefWalkStatements (pval *p, pval **statement)
char * pvalCasePatGetVal (pval *p)
void pvalCasePatSetVal (pval *p, char *val)
char * pvalCatchGetExtName (pval *p)
pval * pvalCatchGetStatement (pval *p)
void pvalCatchSetExtName (pval *p, char *name)
void pvalCatchSetStatement (pval *p, pval *statement)
int pvalCheckType (pval *p, char *funcname, pvaltype type)
pval * pvalConditionalGetElseStatement (pval *p)
pval * pvalConditionalGetThenStatement (pval *p)
void pvalConditionalSetElseStatement (pval *p, pval *statement)
void pvalConditionalSetThenStatement (pval *p, pval *statement)
void pvalContextAddStatement (pval *p, pval *statement)
int pvalContextGetAbstract (pval *p)
char * pvalContextGetName (pval *p)
void pvalContextSetAbstract (pval *p)
void pvalContextSetName (pval *p, char *name)
void pvalContextUnsetAbstract (pval *p)
pval * pvalContextWalkStatements (pval *p, pval **statements)
pval * pvalCreateNode (pvaltype type)
void pvalESwitchesAddSwitch (pval *p, char *name)
char * pvalESwitchesWalkNames (pval *p, pval **next_item)
char * pvalExtenGetHints (pval *p)
char * pvalExtenGetName (pval *p)
int pvalExtenGetRegexten (pval *p)
pval * pvalExtenGetStatement (pval *p)
void pvalExtenSetHints (pval *p, char *hints)
void pvalExtenSetName (pval *p, char *name)
void pvalExtenSetRegexten (pval *p)
void pvalExtenSetStatement (pval *p, pval *statement)
void pvalExtenUnSetRegexten (pval *p)
char * pvalForGetInc (pval *p)
char * pvalForGetInit (pval *p)
pval * pvalForGetStatement (pval *p)
char * pvalForGetTest (pval *p)
void pvalForSetInc (pval *p, char *inc)
void pvalForSetInit (pval *p, char *init)
void pvalForSetStatement (pval *p, pval *statement)
void pvalForSetTest (pval *p, char *test)
void pvalGlobalsAddStatement (pval *p, pval *statement)
pval * pvalGlobalsWalkStatements (pval *p, pval **next_statement)
void pvalGotoGetTarget (pval *p, char **context, char **exten, char **label)
void pvalGotoSetTarget (pval *p, char *context, char *exten, char *label)
char * pvalIfGetCondition (pval *p)
void pvalIfSetCondition (pval *p, char *expr)
void pvalIfTimeGetCondition (pval *p, char **hour_range, char **dow_range, char **dom_range, char **month_range)
void pvalIfTimeSetCondition (pval *p, char *hour_range, char *dow_range, char *dom_range, char *mon_range)
char * pvalIgnorePatGetPattern (pval *p)
void pvalIgnorePatSetPattern (pval *p, char *pat)
void pvalIncludeGetTimeConstraints (pval *p, char **hour_range, char **dom_range, char **dow_range, char **month_range)
void pvalIncludesAddInclude (pval *p, const char *include)
void pvalIncludesAddIncludeWithTimeConstraints (pval *p, const char *include, char *hour_range, char *dom_range, char *dow_range, char *month_range)
char * pvalIncludesWalk (pval *p, pval **next_item)
char * pvalLabelGetName (pval *p)
void pvalLabelSetName (pval *p, char *name)
void pvalMacroAddArg (pval *p, pval *arg)
void pvalMacroAddStatement (pval *p, pval *statement)
void pvalMacroCallAddArg (pval *p, pval *arg)
char * pvalMacroCallGetMacroName (pval *p)
void pvalMacroCallSetArglist (pval *p, pval *arglist)
void pvalMacroCallSetMacroName (pval *p, char *name)
pval * pvalMacroCallWalkArgs (pval *p, pval **args)
char * pvalMacroGetName (pval *p)
void pvalMacroSetArglist (pval *p, pval *arglist)
void pvalMacroSetName (pval *p, char *name)
pval * pvalMacroWalkArgs (pval *p, pval **arg)
pval * pvalMacroWalkStatements (pval *p, pval **next_statement)
pvaltype pvalObjectGetType (pval *p)
char * pvalRandomGetCondition (pval *p)
void pvalRandomSetCondition (pval *p, char *percent)
void pvalStatementBlockAddStatement (pval *p, pval *statement)
pval * pvalStatementBlockWalkStatements (pval *p, pval **next_statement)
void pvalSwitchAddCase (pval *p, pval *Case)
void pvalSwitchesAddSwitch (pval *p, char *name)
char * pvalSwitchesWalkNames (pval *p, pval **next_item)
char * pvalSwitchGetTestexpr (pval *p)
void pvalSwitchSetTestexpr (pval *p, char *expr)
pval * pvalSwitchWalkCases (pval *p, pval **next_case)
void pvalTopLevAddObject (pval *p, pval *contextOrObj)
pval * pvalTopLevWalkObjects (pval *p, pval **next_obj)
char * pvalVarDecGetValue (pval *p)
char * pvalVarDecGetVarname (pval *p)
void pvalVarDecSetValue (pval *p, char *value)
void pvalVarDecSetVarname (pval *p, char *name)
char * pvalWordGetString (pval *p)
void pvalWordSetString (pval *p, char *str)
void set_priorities (struct ael_extension *exten)

Typedef Documentation

typedef struct pval pval

Definition at line 101 of file pval.h.

Enumeration Type Documentation

enum pvaltype
Enumerator:
PV_WORD 
PV_MACRO 
PV_CONTEXT 
PV_MACRO_CALL 
PV_APPLICATION_CALL 
PV_CASE 
PV_PATTERN 
PV_DEFAULT 
PV_CATCH 
PV_SWITCHES 
PV_ESWITCHES 
PV_INCLUDES 
PV_STATEMENTBLOCK 
PV_VARDEC 
PV_GOTO 
PV_LABEL 
PV_FOR 
PV_WHILE 
PV_BREAK 
PV_RETURN 
PV_CONTINUE 
PV_IF 
PV_IFTIME 
PV_RANDOM 
PV_SWITCH 
PV_EXTENSION 
PV_IGNOREPAT 
PV_GLOBALS 
PV_LOCALVARDEC 

Definition at line 6 of file pval.h.

00007 {
00008    PV_WORD, /* an ident, string, name, label, etc. A user-supplied string. */ /* 0 */
00009    PV_MACRO,             /* 1 */
00010    PV_CONTEXT,           /* 2 */
00011    PV_MACRO_CALL,        /* 3 */
00012    PV_APPLICATION_CALL,  /* 4 */
00013    PV_CASE,              /* 5 */
00014    PV_PATTERN,           /* 6 */
00015    PV_DEFAULT,           /* 7 */
00016    PV_CATCH,             /* 8 */
00017    PV_SWITCHES,          /* 9 */
00018    PV_ESWITCHES,         /* 10 */
00019    PV_INCLUDES,          /* 11 */
00020    PV_STATEMENTBLOCK,    /* 12 */
00021    PV_VARDEC, /* you know, var=val; */  /* 13 */
00022    PV_GOTO,              /* 14 */
00023    PV_LABEL,             /* 15 */
00024    PV_FOR,               /* 16 */
00025    PV_WHILE,             /* 17 */
00026    PV_BREAK,             /* 18 */
00027    PV_RETURN,            /* 19 */
00028    PV_CONTINUE,          /* 20 */
00029    PV_IF,                /* 21 */
00030    PV_IFTIME,            /* 22 */
00031    PV_RANDOM,            /* 23 */
00032    PV_SWITCH,            /* 24 */
00033    PV_EXTENSION,         /* 25 */
00034    PV_IGNOREPAT,         /* 26 */
00035    PV_GLOBALS,           /* 27 */
00036    PV_LOCALVARDEC,       /* 28 */
00037 } pvaltype;

Function Documentation

void add_extensions ( struct ael_extension *  exten  ) 
void ast_compile_ael2 ( struct ast_context **  local_contexts,
struct ast_hashtab *  local_table,
struct pval *  root 
)

Referenced by pbx_load_module().

int ast_expr ( char *  expr,
char *  buf,
int  length,
struct ast_channel *  chan 
)

Definition at line 2399 of file ast_expr2f.c.

References ast_copy_string(), AST_EXPR_number, ast_yy_scan_string(), ast_yylex_destroy(), ast_yylex_init(), ast_yyparse(), parse_io::chan, FP___PRINTF, free, parse_io::scanner, and parse_io::string.

Referenced by pbx_substitute_variables_helper_full().

02400 {
02401    struct parse_io io;
02402    int return_value = 0;
02403    
02404    memset(&io, 0, sizeof(io));
02405    io.string = expr;  /* to pass to the error routine */
02406    io.chan = chan;
02407    
02408    ast_yylex_init(&io.scanner);
02409    
02410    ast_yy_scan_string(expr, io.scanner);
02411    
02412    ast_yyparse ((void *) &io);
02413 
02414    ast_yylex_destroy(io.scanner);
02415 
02416    if (!io.val) {
02417       if (length > 1) {
02418          strcpy(buf, "0");
02419          return_value = 1;
02420       }
02421    } else {
02422       if (io.val->type == AST_EXPR_number) {
02423          int res_length;
02424 
02425          res_length = snprintf(buf, length, FP___PRINTF, io.val->u.i);
02426          return_value = (res_length <= length) ? res_length : length;
02427       } else {
02428          if (io.val->u.s)
02429 #if defined(STANDALONE) || defined(LOW_MEMORY) || defined(STANDALONE)
02430             strncpy(buf, io.val->u.s, length - 1);
02431 #else /* !STANDALONE && !LOW_MEMORY */
02432             ast_copy_string(buf, io.val->u.s, length);
02433 #endif /* STANDALONE || LOW_MEMORY */
02434          else
02435             buf[0] = 0;
02436          return_value = strlen(buf);
02437          free(io.val->u.s);
02438       }
02439       free(io.val);
02440    }
02441    return return_value;
02442 }

void ast_expr_clear_extra_error_info ( void   ) 

Definition at line 2456 of file ast_expr2f.c.

02457 {
02458        extra_error_message_supplied=0;
02459        extra_error_message[0] = 0;
02460 }

void ast_expr_register_extra_error_info ( char *  errmsg  ) 

Definition at line 2450 of file ast_expr2f.c.

02451 {
02452        extra_error_message_supplied=1;
02453        strcpy(extra_error_message, message);
02454 }

int check_app_args ( pval *  appcall,
pval *  arglist,
struct argapp *  app 
)
void check_pval ( pval *  item,
struct argapp *  apps,
int  in_globals 
)
void check_pval_item ( pval *  item,
struct argapp *  apps,
int  in_globals 
)
void check_switch_expr ( pval *  item,
struct argapp *  apps 
)
int count_labels_in_current_context ( char *  label  ) 
void destroy_extensions ( struct ael_extension *  exten  ) 
void destroy_pval ( pval *  item  ) 
void destroy_pval_item ( pval *  item  ) 
int do_pbx_load_module ( void   ) 
struct pval * find_context ( char *  name  )  [read]
struct pval * find_macro ( char *  name  )  [read]
int is_empty ( char *  arg  ) 
int is_float ( char *  arg  ) 
int is_int ( char *  arg  ) 
void linkprio ( struct ael_extension *  exten,
struct ael_priority *  prio,
struct ael_extension *  mother_exten 
)
struct ael_extension* new_exten ( void   )  [read]
struct ael_priority* new_prio ( void   )  [read]
void pvalAppCallAddArg ( pval *  p,
pval *  arg 
)
char* pvalAppCallGetAppName ( pval *  p  ) 
void pvalAppCallSetAppName ( pval *  p,
char *  name 
)
void pvalAppCallSetArglist ( pval *  p,
pval *  arglist 
)
pval* pvalAppCallWalkArgs ( pval *  p,
pval **  args 
)
void pvalCasePatDefAddStatement ( pval *  p,
pval *  statement 
)
pval* pvalCasePatDefWalkStatements ( pval *  p,
pval **  statement 
)
char* pvalCasePatGetVal ( pval *  p  ) 
void pvalCasePatSetVal ( pval *  p,
char *  val 
)
char* pvalCatchGetExtName ( pval *  p  ) 
pval* pvalCatchGetStatement ( pval *  p  ) 
void pvalCatchSetExtName ( pval *  p,
char *  name 
)
void pvalCatchSetStatement ( pval *  p,
pval *  statement 
)
int pvalCheckType ( pval *  p,
char *  funcname,
pvaltype  type 
)
pval* pvalConditionalGetElseStatement ( pval *  p  ) 
pval* pvalConditionalGetThenStatement ( pval *  p  ) 
void pvalConditionalSetElseStatement ( pval *  p,
pval *  statement 
)
void pvalConditionalSetThenStatement ( pval *  p,
pval *  statement 
)
void pvalContextAddStatement ( pval *  p,
pval *  statement 
)
int pvalContextGetAbstract ( pval *  p  ) 
char* pvalContextGetName ( pval *  p  ) 
void pvalContextSetAbstract ( pval *  p  ) 
void pvalContextSetName ( pval *  p,
char *  name 
)
void pvalContextUnsetAbstract ( pval *  p  ) 
pval* pvalContextWalkStatements ( pval *  p,
pval **  statements 
)
pval* pvalCreateNode ( pvaltype  type  ) 
void pvalESwitchesAddSwitch ( pval *  p,
char *  name 
)
char* pvalESwitchesWalkNames ( pval *  p,
pval **  next_item 
)
char* pvalExtenGetHints ( pval *  p  ) 
char* pvalExtenGetName ( pval *  p  ) 
int pvalExtenGetRegexten ( pval *  p  ) 
pval* pvalExtenGetStatement ( pval *  p  ) 
void pvalExtenSetHints ( pval *  p,
char *  hints 
)
void pvalExtenSetName ( pval *  p,
char *  name 
)
void pvalExtenSetRegexten ( pval *  p  ) 
void pvalExtenSetStatement ( pval *  p,
pval *  statement 
)
void pvalExtenUnSetRegexten ( pval *  p  ) 
char* pvalForGetInc ( pval *  p  ) 
char* pvalForGetInit ( pval *  p  ) 
pval* pvalForGetStatement ( pval *  p  ) 
char* pvalForGetTest ( pval *  p  ) 
void pvalForSetInc ( pval *  p,
char *  inc 
)
void pvalForSetInit ( pval *  p,
char *  init 
)
void pvalForSetStatement ( pval *  p,
pval *  statement 
)
void pvalForSetTest ( pval *  p,
char *  test 
)
void pvalGlobalsAddStatement ( pval *  p,
pval *  statement 
)
pval* pvalGlobalsWalkStatements ( pval *  p,
pval **  next_statement 
)
void pvalGotoGetTarget ( pval *  p,
char **  context,
char **  exten,
char **  label 
)
void pvalGotoSetTarget ( pval *  p,
char *  context,
char *  exten,
char *  label 
)
char* pvalIfGetCondition ( pval *  p  ) 
void pvalIfSetCondition ( pval *  p,
char *  expr 
)
void pvalIfTimeGetCondition ( pval *  p,
char **  hour_range,
char **  dow_range,
char **  dom_range,
char **  month_range 
)
void pvalIfTimeSetCondition ( pval *  p,
char *  hour_range,
char *  dow_range,
char *  dom_range,
char *  mon_range 
)
char* pvalIgnorePatGetPattern ( pval *  p  ) 
void pvalIgnorePatSetPattern ( pval *  p,
char *  pat 
)
void pvalIncludeGetTimeConstraints ( pval *  p,
char **  hour_range,
char **  dom_range,
char **  dow_range,
char **  month_range 
)
void pvalIncludesAddInclude ( pval *  p,
const char *  include 
)
void pvalIncludesAddIncludeWithTimeConstraints ( pval *  p,
const char *  include,
char *  hour_range,
char *  dom_range,
char *  dow_range,
char *  month_range 
)
char* pvalIncludesWalk ( pval *  p,
pval **  next_item 
)
char* pvalLabelGetName ( pval *  p  ) 
void pvalLabelSetName ( pval *  p,
char *  name 
)
void pvalMacroAddArg ( pval *  p,
pval *  arg 
)
void pvalMacroAddStatement ( pval *  p,
pval *  statement 
)
void pvalMacroCallAddArg ( pval *  p,
pval *  arg 
)
char* pvalMacroCallGetMacroName ( pval *  p  ) 
void pvalMacroCallSetArglist ( pval *  p,
pval *  arglist 
)
void pvalMacroCallSetMacroName ( pval *  p,
char *  name 
)
pval* pvalMacroCallWalkArgs ( pval *  p,
pval **  args 
)
char* pvalMacroGetName ( pval *  p  ) 
void pvalMacroSetArglist ( pval *  p,
pval *  arglist 
)
void pvalMacroSetName ( pval *  p,
char *  name 
)
pval* pvalMacroWalkArgs ( pval *  p,
pval **  arg 
)
pval* pvalMacroWalkStatements ( pval *  p,
pval **  next_statement 
)
pvaltype pvalObjectGetType ( pval *  p  ) 
char* pvalRandomGetCondition ( pval *  p  ) 
void pvalRandomSetCondition ( pval *  p,
char *  percent 
)
void pvalStatementBlockAddStatement ( pval *  p,
pval *  statement 
)
pval* pvalStatementBlockWalkStatements ( pval *  p,
pval **  next_statement 
)
void pvalSwitchAddCase ( pval *  p,
pval *  Case 
)
void pvalSwitchesAddSwitch ( pval *  p,
char *  name 
)
char* pvalSwitchesWalkNames ( pval *  p,
pval **  next_item 
)
char* pvalSwitchGetTestexpr ( pval *  p  ) 
void pvalSwitchSetTestexpr ( pval *  p,
char *  expr 
)
pval* pvalSwitchWalkCases ( pval *  p,
pval **  next_case 
)
void pvalTopLevAddObject ( pval *  p,
pval *  contextOrObj 
)
pval* pvalTopLevWalkObjects ( pval *  p,
pval **  next_obj 
)
char* pvalVarDecGetValue ( pval *  p  ) 
char* pvalVarDecGetVarname ( pval *  p  ) 
void pvalVarDecSetValue ( pval *  p,
char *  value 
)
void pvalVarDecSetVarname ( pval *  p,
char *  name 
)
char* pvalWordGetString ( pval *  p  ) 
void pvalWordSetString ( pval *  p,
char *  str 
)
void set_priorities ( struct ael_extension *  exten  ) 
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