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Sun Feb 23 07:00:00 CET 2003

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@621 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matteo Brancaleoni
2003-02-23 06:00:11 +00:00
parent 877a281b74
commit 17769619c2
20 changed files with 1088 additions and 238 deletions
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123
pbx.c
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@@ -727,88 +727,99 @@ static void pbx_substitute_variables_temp(struct ast_channel *c,char *cp3,char *
*cp4 = pri;
} else {
AST_LIST_TRAVERSE(headp,variables,entries) {
// ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",cp3,ast_var_name(variables));
if (strncasecmp(ast_var_name(variables),cp3,strlen(cp3))==0)
#if 0
ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",cp3,ast_var_name(variables));
#endif
if (strcasecmp(ast_var_name(variables),cp3)==0)
*cp4=ast_var_value(variables);
}
if (!(*cp4)) {
/* Try globals */
AST_LIST_TRAVERSE(&globals,variables,entries) {
// ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",cp3,ast_var_name(variables));
if (strncasecmp(ast_var_name(variables),cp3,strlen(cp3))==0)
#if 0
ast_log(LOG_WARNING,"Comparing variable '%s' with '%s'\n",cp3,ast_var_name(variables));
#endif
if (strcasecmp(ast_var_name(variables),cp3)==0)
*cp4=ast_var_value(variables);
}
}
}
}
static void pbx_substitute_variables_helper(struct ast_channel *c,char *cp1,char **ecp2)
static void pbx_substitute_variables_helper(struct ast_channel *c,char *cp1,char **ecp2,int count)
{
char *cp4,*cp2;
char *tmp,*wherearewe,*finish;
int length;
char *tmp,*wherearewe,*finish,*ltmp,*lval,*nextvar;
int length,variables=0;
wherearewe=tmp=cp1;
cp2=*ecp2;
*cp2='\0';
do {
char *start,*start2;
if (!(*wherearewe)) break;
if ((tmp=strstr(wherearewe,"${"))) {
variables++;
length=(int)(tmp-wherearewe);
strncat(cp2,wherearewe,length);
wherearewe=tmp;
if (!strncmp(tmp+2,"${",2)) {
char *ltmp,*lval;
ltmp=malloc(sizeof(char)*256);
finish=strchr(tmp+2,'}');
/* get the one before the last closing bracket */
do {
if (strlen(finish)<2)
break;
if (finish[1]=='}' && finish[2]=='}')
finish++;
else break;
} while (1);
if (!finish) {
ast_log(LOG_WARNING, "Something went wrong with ${VARIABLE}\n");
*ecp2="";
ltmp=malloc(sizeof(char)*256);
start=start2=tmp+1;
do {
if (variables==0) {
nextvar=strstr(start2,"${");
if (nextvar) {
if ((int)(finish-nextvar)>0) {
variables++;
start2=nextvar+1;
} else break;
} else break;
}
finish=strchr(start,'}');
if (finish) {
variables--;
start=finish+1;
} else {
if (variables>0) {
ast_log(LOG_NOTICE, "Error in extension logic\n");
cp2[0]='\0';
return;
}
break;
}
length=(int)(finish-tmp-1);
wherearewe+=length+3;
lval=strndup(tmp+2,length);
pbx_substitute_variables_helper(c,lval,&ltmp);
free(lval);
pbx_substitute_variables_temp(c,ltmp,&cp4);
if (cp4) {
length=strlen(cp4);
strncat(cp2,cp4,length);
}
} else {
char value[256];
finish=strchr(tmp+2,'}');
if (!finish) {
ast_log(LOG_WARNING, "Something went wrong with ${VARIABLE}\n");
*ecp2="";
break;
}
length=(int)(finish-tmp)-2;
wherearewe+=length+3;
strncpy(value,tmp+2,length);
value[length]='\0';
pbx_substitute_variables_temp(c,value,&cp4);
if (cp4) {
length=strlen(cp4);
strncat(cp2,cp4,length);
}
} while (1);
length=(int)(finish-tmp);
wherearewe+=length+1;
lval=strndup(tmp+2,length-2);
pbx_substitute_variables_helper(c,lval,&ltmp,count+1);
free(lval);
if (ltmp) {
length=strlen(ltmp);
strncat(cp2,ltmp,length);
}
} else {
if (*wherearewe) {
length=strlen(wherearewe);
strncat(cp2,wherearewe,length);
if (wherearewe!=cp1) {
if (*wherearewe) {
length=strlen(wherearewe);
strncat(cp2,wherearewe,length);
}
strcat(cp2,"\0");
cp1=cp2;
}
pbx_substitute_variables_temp(c,cp1,&cp4);
if (cp4) {
/* reset output variable so we could store the result */
*cp2='\0';
length=strlen(cp4);
strncat(cp2,cp4,length);
} else {
if (count) cp2[0]='\0';
}
strcat(cp2,"\0");
break;
}
} while(1);
@@ -827,7 +838,7 @@ static void *pbx_substitute_variables(struct ast_channel *c, struct ast_exten *e
cp1=e->data;
cp2=malloc(sizeof(char)*256);
pbx_substitute_variables_helper(c,cp1,(char **)&cp2);
pbx_substitute_variables_helper(c,cp1,(char **)&cp2,0);
/* Second stage, expression evaluation */
if ((strstr(cp2,"$[")==NULL)) {
@@ -3527,7 +3538,7 @@ void pbx_builtin_setvar_helper(struct ast_channel *chan, char *name, char *value
headp=&globals;
AST_LIST_TRAVERSE (headp,newvariable,entries) {
if (strncasecmp(ast_var_name(newvariable),name,strlen(name))==0) {
if (strcasecmp(ast_var_name(newvariable),name)==0) {
/* there is already such a variable, delete it */
AST_LIST_REMOVE(headp,newvariable,ast_var_t,entries);
ast_var_delete(newvariable);