diff options
Diffstat (limited to 'grammar/rainerscript.c')
-rw-r--r-- | grammar/rainerscript.c | 156 |
1 files changed, 141 insertions, 15 deletions
diff --git a/grammar/rainerscript.c b/grammar/rainerscript.c index 4e484804..d77721b8 100644 --- a/grammar/rainerscript.c +++ b/grammar/rainerscript.c @@ -22,7 +22,6 @@ * A copy of the GPL can be found in the file "COPYING" in this distribution. * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution. */ - #include "config.h" #include <stdio.h> #include <stdlib.h> @@ -1100,6 +1099,41 @@ evalVar(struct cnfvar *var, void *usrptr, struct var *ret) } +/* perform a string comparision operation against a while array. Semantic is + * that one one comparison is true, the whole construct is true. + * TODO: we can obviously optimize this process. One idea is to + * compile a regex, which should work faster than serial comparison. + */ +static int +evalStrArrayCmp(es_str_t *estr_l, struct cnfarray* ar, int cmpop) +{ + int i; + int r = 0; + for(i = 0 ; (r == 0) && (i < ar->nmemb) ; ++i) { + switch(cmpop) { + case CMP_EQ: + r = es_strcmp(estr_l, ar->arr[i]) == 0; + break; + case CMP_NE: + r = es_strcmp(estr_l, ar->arr[i]) != 0; + break; + case CMP_STARTSWITH: + r = es_strncmp(estr_l, ar->arr[i], es_strlen(ar->arr[i])) == 0; + break; + case CMP_STARTSWITHI: + r = es_strncasecmp(estr_l, ar->arr[i], es_strlen(ar->arr[i])) == 0; + break; + case CMP_CONTAINS: + r = es_strContains(estr_l, ar->arr[i]) != -1; + break; + case CMP_CONTAINSI: + r = es_strCaseContains(estr_l, ar->arr[i]) != -1; + break; + } + } + return r; +} + #define FREE_BOTH_RET \ if(r.datatype == 'S') es_deleteStr(r.d.estr); \ if(l.datatype == 'S') es_deleteStr(l.d.estr) @@ -1111,13 +1145,14 @@ evalVar(struct cnfvar *var, void *usrptr, struct var *ret) ret->d.n = var2Number(&l, &convok_l) x var2Number(&r, &convok_r); \ FREE_BOTH_RET +/* NOTE: array as right-hand argument MUST be handled by user */ #define PREP_TWO_STRINGS \ cnfexprEval(expr->l, &l, usrptr); \ estr_l = var2String(&l, &bMustFree2); \ if(expr->r->nodetype == 'S') { \ estr_r = ((struct cnfstringval*)expr->r)->estr;\ bMustFree = 0; \ - } else { \ + } else if(expr->r->nodetype != S_ARRAY) { \ cnfexprEval(expr->r, &r, usrptr); \ estr_r = var2String(&r, &bMustFree); \ } @@ -1161,6 +1196,8 @@ cnfexprEval(struct cnfexpr *expr, struct var *ret, void* usrptr) if(l.datatype == 'S') { if(expr->r->nodetype == 'S') { ret->d.n = !es_strcmp(l.d.estr, ((struct cnfstringval*)expr->r)->estr); /*CMP*/ + } else if(expr->r->nodetype == S_ARRAY) { + ret->d.n = evalStrArrayCmp(l.d.estr, (struct cnfarray*) expr->r, CMP_EQ); } else { cnfexprEval(expr->r, &r, usrptr); if(r.datatype == 'S') { @@ -1200,16 +1237,22 @@ cnfexprEval(struct cnfexpr *expr, struct var *ret, void* usrptr) cnfexprEval(expr->r, &r, usrptr); ret->datatype = 'N'; if(l.datatype == 'S') { - if(r.datatype == 'S') { - ret->d.n = es_strcmp(l.d.estr, r.d.estr); /*CMP*/ + if(expr->r->nodetype == 'S') { + ret->d.n = es_strcmp(l.d.estr, ((struct cnfstringval*)expr->r)->estr); /*CMP*/ + } else if(expr->r->nodetype == S_ARRAY) { + ret->d.n = evalStrArrayCmp(l.d.estr, (struct cnfarray*) expr->r, CMP_NE); } else { - n_l = var2Number(&l, &convok_l); - if(convok_l) { - ret->d.n = (n_l != r.d.n); /*CMP*/ + if(r.datatype == 'S') { + ret->d.n = es_strcmp(l.d.estr, r.d.estr); /*CMP*/ } else { - estr_r = var2String(&r, &bMustFree); - ret->d.n = es_strcmp(l.d.estr, estr_r); /*CMP*/ - if(bMustFree) es_deleteStr(estr_r); + n_l = var2Number(&l, &convok_l); + if(convok_l) { + ret->d.n = (n_l != r.d.n); /*CMP*/ + } else { + estr_r = var2String(&r, &bMustFree); + ret->d.n = es_strcmp(l.d.estr, estr_r); /*CMP*/ + if(bMustFree) es_deleteStr(estr_r); + } } } } else { @@ -1363,25 +1406,41 @@ cnfexprEval(struct cnfexpr *expr, struct var *ret, void* usrptr) case CMP_STARTSWITH: PREP_TWO_STRINGS; ret->datatype = 'N'; - ret->d.n = es_strncmp(estr_l, estr_r, estr_r->lenStr) == 0; + if(expr->r->nodetype == S_ARRAY) { + ret->d.n = evalStrArrayCmp(estr_l, (struct cnfarray*) expr->r, CMP_STARTSWITH); + } else { + ret->d.n = es_strncmp(estr_l, estr_r, estr_r->lenStr) == 0; + } FREE_TWO_STRINGS; break; case CMP_STARTSWITHI: PREP_TWO_STRINGS; ret->datatype = 'N'; - ret->d.n = es_strncasecmp(estr_l, estr_r, estr_r->lenStr) == 0; + if(expr->r->nodetype == S_ARRAY) { + ret->d.n = evalStrArrayCmp(estr_l, (struct cnfarray*) expr->r, CMP_STARTSWITHI); + } else { + ret->d.n = es_strncasecmp(estr_l, estr_r, estr_r->lenStr) == 0; + } FREE_TWO_STRINGS; break; case CMP_CONTAINS: PREP_TWO_STRINGS; ret->datatype = 'N'; - ret->d.n = es_strContains(estr_l, estr_r) != -1; + if(expr->r->nodetype == S_ARRAY) { + ret->d.n = evalStrArrayCmp(estr_l, (struct cnfarray*) expr->r, CMP_CONTAINS); + } else { + ret->d.n = es_strContains(estr_l, estr_r) != -1; + } FREE_TWO_STRINGS; break; case CMP_CONTAINSI: PREP_TWO_STRINGS; ret->datatype = 'N'; - ret->d.n = es_strCaseContains(estr_l, estr_r) != -1; + if(expr->r->nodetype == S_ARRAY) { + ret->d.n = evalStrArrayCmp(estr_l, (struct cnfarray*) expr->r, CMP_CONTAINSI); + } else { + ret->d.n = es_strCaseContains(estr_l, estr_r) != -1; + } FREE_TWO_STRINGS; break; case OR: @@ -1428,12 +1487,23 @@ cnfexprEval(struct cnfexpr *expr, struct var *ret, void* usrptr) ret->datatype = 'S'; ret->d.estr = es_strdup(((struct cnfstringval*)expr)->estr); break; + case S_ARRAY: + /* if an array is used with "normal" operations, it just evaluates + * to its first element. + */ + ret->datatype = 'S'; + ret->d.estr = es_strdup(((struct cnfarray*)expr)->arr[0]); + break; case 'V': evalVar((struct cnfvar*)expr, usrptr, ret); break; case '&': /* TODO: think about optimization, should be possible ;) */ PREP_TWO_STRINGS; + if(expr->r->nodetype == S_ARRAY) { + estr_r = ((struct cnfarray*)expr->r)->arr[0]; + bMustFree = 0; + } ret->datatype = 'S'; ret->d.estr = es_strdup(estr_l); es_addStr(&ret->d.estr, estr_r); @@ -1475,6 +1545,17 @@ cnfexprEval(struct cnfexpr *expr, struct var *ret, void* usrptr) //--------------------------------------------------------- static inline void +cnfarrayDestruct(struct cnfarray *ar) +{ + unsigned short i; + + for(i = 0 ; i < ar->nmemb ; ++i) { + es_deleteStr(ar->arr[i]); + } + free(ar->arr); +} + +static inline void cnffuncDestruct(struct cnffunc *func) { unsigned short i; @@ -1538,6 +1619,9 @@ cnfexprDestruct(struct cnfexpr *expr) case 'F': cnffuncDestruct((struct cnffunc*)expr); break; + case S_ARRAY: + cnfarrayDestruct((struct cnfarray*)expr); + break; default:break; } free(expr); @@ -1588,7 +1672,7 @@ cnfexprPrint(struct cnfexpr *expr, int indent) struct cnffunc *func; int i; - //dbgprintf("expr %p, indent %d, type '%c'\n", expr, indent, expr->nodetype); + dbgprintf("expr %p, indent %d, type '%c'\n", expr, indent, expr->nodetype); switch(expr->nodetype) { case CMP_EQ: cnfexprPrint(expr->l, indent+1); @@ -1672,6 +1756,15 @@ cnfexprPrint(struct cnfexpr *expr, int indent) cstrPrint("string '", ((struct cnfstringval*)expr)->estr); dbgprintf("'\n"); break; + case S_ARRAY: +dbgprintf("DDDD: %d members\n", ((struct cnfarray*)expr)->nmemb); + doIndent(indent); dbgprintf("ARRAY:\n"); + for(i = 0 ; i < ((struct cnfarray*)expr)->nmemb ; ++i) { + doIndent(indent+1); + cstrPrint("string '", ((struct cnfarray*)expr)->arr[i]); + dbgprintf("'\n"); + } + break; case 'N': doIndent(indent); dbgprintf("%lld\n", ((struct cnfnumval*)expr)->val); @@ -1813,6 +1906,39 @@ cnfstringvalNew(es_str_t *estr) return strval; } +/* creates array AND adds first element to it */ +struct cnfarray* +cnfarrayNew(es_str_t *val) +{ + struct cnfarray *ar; + if((ar = malloc(sizeof(struct cnfarray))) != NULL) { + ar->nodetype = S_ARRAY; + ar->nmemb = 1; + if((ar->arr = malloc(sizeof(es_str_t*))) == NULL) { + free(ar); + ar = NULL; + goto done; + } + ar->arr[0] = val; + } +done: return ar; +} + +/* creates array AND adds first element to it */ +struct cnfarray* +cnfarrayAdd(struct cnfarray *ar, es_str_t *val) +{ + es_str_t **newptr; + if((newptr = realloc(ar->arr, (ar->nmemb+1)*sizeof(es_str_t*))) == NULL) { + DBGPRINTF("cnfarrayAdd: realloc failed, item ignored, ar->arr=%p\n", ar->arr); + goto done; + } else { + ar->arr = newptr; + ar->arr[ar->nmemb] = val; + ar->nmemb++; + } +done: return ar; +} struct cnfvar* cnfvarNew(char *name) |