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Replace a CRIT_ERR in combine by trying,throwing and catching

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PS: I want to replace all similar CRIT_ERR's like this, opinions ?
This commit is contained in:
Nikolas Garofil 2010-11-16 13:41:44 +01:00
parent fd9dd921a4
commit 8123e447e2
5 changed files with 36 additions and 6 deletions
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4
src/combine.cc
View File

@ -40,7 +40,7 @@ struct combine_data {
char *right;
};
void parse_combine_arg(struct text_object *obj, const char *arg, void *free_at_crash)
void parse_combine_arg(struct text_object *obj, const char *arg)
{
struct combine_data *cd;
unsigned int i,j;
@ -89,7 +89,7 @@ void parse_combine_arg(struct text_object *obj, const char *arg, void *free_at_c
extract_variable_text_internal(obj->sub->sub, cd->right);
obj->data.opaque = cd;
} else {
CRIT_ERR(obj, free_at_crash, "combine needs arguments: <text1> <text2>");
throw combine_needs_2_args_error();
}
}

2
src/combine.h
View File

@ -30,7 +30,7 @@
#ifndef _COMBINE_H
#define _COMBINE_H
void parse_combine_arg(struct text_object *, const char *, void *);
void parse_combine_arg(struct text_object *, const char *);
void print_combine(struct text_object *, char *, int);
void free_combine(struct text_object *);

5
src/conky.cc
View File

@ -4495,6 +4495,11 @@ int main(int argc, char **argv)
}
catch(fork_throw &e) { return EXIT_SUCCESS; }
catch(unknown_arg_throw &e) { return EXIT_FAILURE; }
catch(obj_create_error &e) {
std::cerr << e.what() << std::endl;
clean_up(NULL, NULL);
return EXIT_FAILURE;
}
#ifdef BUILD_CURL
curl_global_cleanup();

19
src/core.cc
View File

@ -1726,8 +1726,14 @@ struct text_object *construct_text_object(char *s, const char *arg, long
parse_scroll_arg(obj, arg, free_at_crash, s);
obj->callbacks.print = &print_scroll;
obj->callbacks.free = &free_scroll;
END OBJ_ARG(combine, 0, "combine needs arguments: <text1> <text2>")
parse_combine_arg(obj, arg, free_at_crash);
END OBJ(combine, 0)
try {
parse_combine_arg(obj, arg);
}
catch(combine_needs_2_args_error &e) {
free(obj);
throw obj_create_error(e.what());
}
obj->callbacks.print = &print_combine;
obj->callbacks.free = &free_combine;
#ifdef BUILD_NVIDIA
@ -1955,8 +1961,15 @@ int extract_variable_text_internal(struct text_object *retval, const char *const
tmp_p++;
}
obj = construct_text_object(buf, arg,
try {
obj = construct_text_object(buf, arg,
line, &ifblock_opaque, orig_p);
}
catch(obj_create_error &e) {
free(buf);
free(orig_p);
throw e;
}
if (obj != NULL) {
append_object(retval, obj);
}

12
src/logging.h
View File

@ -47,6 +47,18 @@ public:
unknown_arg_throw(const std::string &msg) : std::runtime_error(msg) {}
};
class combine_needs_2_args_error : public std::runtime_error {
public:
combine_needs_2_args_error() : std::runtime_error("combine needs arguments: <text1> <text2>") {}
combine_needs_2_args_error(const std::string &msg) : std::runtime_error(msg) {}
};
class obj_create_error : public std::runtime_error {
public:
obj_create_error() : std::runtime_error("Failed to create object") {}
obj_create_error(const std::string &msg) : std::runtime_error(msg) {}
};
void clean_up(void *memtofree1, void* memtofree2);
void clean_up_without_threads(void *memtofree1, void* memtofree2);