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Added parser module

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This commit is contained in:
James Booth 2012-11-18 00:07:00 +00:00
parent 2fe5e7bd59
commit 824eaa1678
8 changed files with 266 additions and 39 deletions
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4
Makefile.am
View File

@ -8,14 +8,14 @@ profanity_SOURCES = src/command.c src/contact.c src/history.c src/jabber.h \
src/main.c src/profanity.h src/prof_history.h src/chat_log.c \
src/chat_log.h src/tinyurl.c src/tinyurl.h src/chat_session.c \
src/chat_session.h src/release.c src/release.h src/room_chat.c \
src/room_chat.h src/stanza.c src/stanza.h
src/room_chat.h src/stanza.c src/stanza.h src/parser.c src/parser.h
TESTS = tests/testsuite
check_PROGRAMS = tests/testsuite
tests_testsuite_SOURCES = tests/test_contact_list.c src/contact_list.c src/contact.c \
tests/test_common.c tests/test_prof_history.c src/prof_history.c src/common.c \
tests/test_prof_autocomplete.c src/prof_autocomplete.c tests/testsuite.c \
src/log.c
tests/test_parser.c src/parser.c
tests_testsuite_LDADD = -lheadunit -lstdc++
man_MANS = docs/profanity.1

44
src/command.c
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@ -36,6 +36,7 @@
#include "history.h"
#include "jabber.h"
#include "log.h"
#include "parser.h"
#include "preferences.h"
#include "prof_autocomplete.h"
#include "tinyurl.h"
@ -835,7 +836,7 @@ _cmd_connect(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 1, 1, &num_args);
gchar **args = parse_args(inp, 1, 1, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -882,7 +883,7 @@ _cmd_sub(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 1, 2, &num_args);
gchar **args = parse_args(inp, 1, 2, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1220,7 +1221,7 @@ _cmd_info(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 1, 1, &num_args);
gchar **args = parse_args(inp, 1, 1, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1252,7 +1253,7 @@ _cmd_join(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 1, 2, &num_args);
gchar **args = parse_args(inp, 1, 2, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1296,7 +1297,7 @@ _cmd_tiny(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 1, 1, &num_args);
gchar **args = parse_args(inp, 1, 1, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1401,7 +1402,7 @@ _cmd_set_notify(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 2, 2, &num_args);
gchar **args = parse_args(inp, 2, 2, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1463,7 +1464,7 @@ _cmd_set_log(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 2, 2, &num_args);
gchar **args = parse_args(inp, 2, 2, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1496,7 +1497,7 @@ _cmd_set_priority(const char * const inp, struct cmd_help_t help)
{
gboolean result = FALSE;
int num_args = 0;
gchar **args = _cmd_parse_args(inp, 1, 1, &num_args);
gchar **args = parse_args(inp, 1, 1, &num_args);
if (args == NULL) {
cons_show("Usage: %s", help.usage);
@ -1805,30 +1806,3 @@ _strtoi(char *str, int *saveptr, int min, int max)
return 0;
}
gchar **
_cmd_parse_args(const char * const inp, int min, int max, int *num)
{
char *copy = strdup(inp);
gchar **args = NULL;
g_strstrip(copy);
gchar **split = g_strsplit(copy, " ", 0);
*num = g_strv_length(split) - 1;
if ((*num < min) || (*num > max)) {
g_strfreev(split);
free(copy);
return NULL;
} else {
args = malloc((*num + 1) * sizeof(*args));
int i;
for (i = 0; i < *num; i++) {
args[i] = strdup(split[i+1]);
}
args[i] = NULL;
g_strfreev(split);
free(copy);
return args;
}
}

2
src/contact_list.c
View File

@ -25,7 +25,6 @@
#include <glib.h>
#include "contact.h"
#include "log.h"
#include "prof_autocomplete.h"
static PAutocomplete ac;
@ -80,7 +79,6 @@ contact_list_update_contact(const char * const jid, const char * const presence,
PContact contact = g_hash_table_lookup(contacts, jid);
if (contact == NULL) {
log_warning("Contact not in list: %s", jid);
return FALSE;
}

96
src/parser.c Normal file
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@ -0,0 +1,96 @@
/*
* parser.c
*
* Copyright (C) 2012 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdlib.h>
#include <string.h>
#include <glib.h>
gchar **
parse_args(const char * const inp, int min, int max, int *num)
{
if (inp == NULL) {
*num = 0;
return NULL;
}
// copy and strip input of leading/trailing whitepsace
char *copy = strdup(inp);
g_strstrip(copy);
int inp_size = strlen(copy);
gboolean in_token = FALSE;
char *token_start = &copy[0];
int token_size = 0;
GSList *tokens = NULL;
// add tokens to GSList
int i;
for (i = 0; i <= inp_size; i++) {
if (!in_token) {
if (copy[i] == ' ') {
continue;
} else {
in_token = TRUE;
token_start = &copy[i];
token_size++;
}
} else {
if (copy[i] == ' ' || copy[i] == '\0') {
tokens = g_slist_append(tokens, g_strndup(token_start,
token_size));
token_size = 0;
in_token = FALSE;
} else {
token_size++;
}
}
}
*num = g_slist_length(tokens) - 1;
// if num args not valid return NULL
if ((*num < min) || (*num > max)) {
g_slist_free_full(tokens, free);
free(copy);
*num = 0;
return NULL;
// otherwise return args array
} else {
gchar **args = malloc((*num + 1) * sizeof(*args));
GSList *token = tokens;
token = g_slist_next(token);
int arg_count = 0;
while (token != NULL) {
args[arg_count++] = strdup(token->data);
token = g_slist_next(token);
}
args[arg_count] = NULL;
g_slist_free_full(tokens, free);
free(copy);
return args;
}
}

30
src/parser.h Normal file
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@ -0,0 +1,30 @@
/*
* parser.h
*
* Copyright (C) 2012 James Booth <boothj5@gmail.com>
*
* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef PARSER_H
#define PARSER_H
#include <glib.h>
gchar** parse_args(const char * const inp, int min, int max, int *num);
#endif

127
tests/test_parser.c Normal file
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@ -0,0 +1,127 @@
#include <stdlib.h>
#include <string.h>
#include <head-unit.h>
#include "parser.h"
void
parse_null_returns_null(void)
{
char *inp = NULL;
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_is_null(result);
g_strfreev(result);
}
void
parse_empty_returns_null(void)
{
char *inp = "";
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_is_null(result);
g_strfreev(result);
}
void
parse_space_returns_null(void)
{
char *inp = " ";
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_is_null(result);
g_strfreev(result);
}
void
parse_cmd_no_args_returns_null(void)
{
char *inp = "/cmd";
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_is_null(result);
g_strfreev(result);
}
void
parse_cmd_with_space_returns_null(void)
{
char *inp = "/cmd ";
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_is_null(result);
g_strfreev(result);
}
void
parse_cmd_one_arg(void)
{
char *inp = "/cmd arg1";
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_int_equals(1, num);
assert_string_equals("arg1", result[0]);
g_strfreev(result);
}
void
parse_cmd_two_args(void)
{
char *inp = "/cmd arg1 arg2";
int num = 0;
gchar **result = parse_args(inp, 1, 2, &num);
assert_int_equals(2, num);
assert_string_equals("arg1", result[0]);
assert_string_equals("arg2", result[1]);
g_strfreev(result);
}
void
parse_cmd_three_args(void)
{
char *inp = "/cmd arg1 arg2 arg3";
int num = 0;
gchar **result = parse_args(inp, 3, 3, &num);
assert_int_equals(3, num);
assert_string_equals("arg1", result[0]);
assert_string_equals("arg2", result[1]);
assert_string_equals("arg3", result[2]);
g_strfreev(result);
}
void
parse_cmd_three_args_with_spaces(void)
{
char *inp = " /cmd arg1 arg2 arg3 ";
int num = 0;
gchar **result = parse_args(inp, 3, 3, &num);
assert_int_equals(3, num);
assert_string_equals("arg1", result[0]);
assert_string_equals("arg2", result[1]);
assert_string_equals("arg3", result[2]);
g_strfreev(result);
}
void
register_parser_tests(void)
{
TEST_MODULE("parser tests");
TEST(parse_null_returns_null);
TEST(parse_empty_returns_null);
TEST(parse_space_returns_null);
TEST(parse_cmd_no_args_returns_null);
TEST(parse_cmd_with_space_returns_null);
TEST(parse_cmd_one_arg);
TEST(parse_cmd_two_args);
TEST(parse_cmd_three_args);
TEST(parse_cmd_three_args_with_spaces);
}

1
tests/testsuite.c
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@ -7,6 +7,7 @@ int main(void)
register_contact_list_tests();
register_common_tests();
register_prof_autocomplete_tests();
register_parser_tests();
run_suite();
return 0;
}

1
tests/testsuite.h
View File

@ -5,5 +5,6 @@ void register_prof_history_tests(void);
void register_contact_list_tests(void);
void register_common_tests(void);
void register_prof_autocomplete_tests(void);
void register_parser_tests(void);
#endif