From: gastal Date: Mon, 27 Jun 2011 14:02:10 +0000 (+0000) Subject: Eina: Reorganization of eina log documentation. X-Git-Tag: 2.0_alpha~69^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cbd0d1d9d1241ac0284fbe0224bfe5dd95659fb0;p=framework%2Fuifw%2Feina.git Eina: Reorganization of eina log documentation. git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/eina@60733 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33 --- diff --git a/src/examples/Makefile.am b/src/examples/Makefile.am index a39ecd5..3bacd21 100644 --- a/src/examples/Makefile.am +++ b/src/examples/Makefile.am @@ -23,6 +23,9 @@ SRCS = \ eina_list_02.c \ eina_list_03.c \ eina_list_04.c \ + eina_log.01.c \ + eina_log_02.c \ + eina_log_03.c \ eina_inlist_01.c \ eina_inlist_02.c \ eina_inlist_03.c @@ -48,6 +51,9 @@ pkglib_PROGRAMS += \ eina_list_02 \ eina_list_03 \ eina_list_04 \ + eina_log_01 \ + eina_log_02 \ + eina_log_03 \ eina_inlist_01 \ eina_inlist_02 \ eina_inlist_03 diff --git a/src/examples/eina_log_01.c b/src/examples/eina_log_01.c new file mode 100644 index 0000000..7a20ca9 --- /dev/null +++ b/src/examples/eina_log_01.c @@ -0,0 +1,27 @@ +//Compile with: +//gcc -Wall -o eina_log_01 eina_log_01.c `pkg-config --cflags --libs eina` + +#include +#include + +#include + +void test_warn(void) +{ + EINA_LOG_WARN("Here is a warning message"); +} + +int main(void) +{ + if (!eina_init()) + { + printf("log during the initialization of Eina_Log module\n"); + return EXIT_FAILURE; + } + + test_warn(); + + eina_shutdown(); + + return EXIT_SUCCESS; +} diff --git a/src/examples/eina_log_02.c b/src/examples/eina_log_02.c new file mode 100644 index 0000000..a056729 --- /dev/null +++ b/src/examples/eina_log_02.c @@ -0,0 +1,38 @@ +//Compile with: +//gcc -Wall -o eina_log_02 eina_log_02.c `pkg-config --cflags --libs eina` + +#include +#include + +#include + +void test(int i) +{ + EINA_LOG_DBG("Entering test"); + + if (i < 0) + { + EINA_LOG_ERR("Argument is negative"); + return; + } + + EINA_LOG_INFO("argument non negative"); + + EINA_LOG_DBG("Exiting test"); +} + +int main(void) +{ + if (!eina_init()) + { + printf("log during the initialization of Eina_Log module\n"); + return EXIT_FAILURE; + } + + test(-1); + test(0); + + eina_shutdown(); + + return EXIT_SUCCESS; +} diff --git a/src/examples/eina_log_03.c b/src/examples/eina_log_03.c new file mode 100644 index 0000000..8dbe19e --- /dev/null +++ b/src/examples/eina_log_03.c @@ -0,0 +1,78 @@ +//Compile with: +//gcc -Wall -o eina_log_03 eina_log_03.c `pkg-config --cflags --libs eina` + +#include +#include + +#include + +#define log(fmt, ...) \ + eina_log_print(EINA_LOG_LEVEL_ERR, __FILE__, __FUNCTION__, __LINE__, fmt, ##__VA_ARGS__) + +typedef struct _Data Data; + +struct _Data +{ + int to_stderr; +}; + +void print_cb(const Eina_Log_Domain *domain, + Eina_Log_Level level, + const char *file, + const char *fnc, + int line, + const char *fmt, + void *data, + va_list args) +{ + Data *d; + FILE *output; + char *str; + + d = (Data*)data; + if (d->to_stderr) + { + output = stderr; + str = "stderr"; + } + else + { + output = stdout; + str = "stdout"; + } + + fprintf(output, "%s:%s:%s (%d) %s: ", + domain->domain_str, file, fnc, line, str); + vfprintf(output, fmt, args); + putc('\n', output); +} + +void test(Data *data, int i) +{ + if (i < 0) + data->to_stderr = 0; + else + data->to_stderr = 1; + + EINA_LOG_INFO("Log message..."); +} + +int main(void) +{ + Data data; + + if (!eina_init()) + { + printf("log during the initialization of Eina_Log module\n"); + return EXIT_FAILURE; + } + + eina_log_print_cb_set(print_cb, &data); + + test(&data, -1); + test(&data, 0); + + eina_shutdown(); + + return EXIT_SUCCESS; +} diff --git a/src/include/eina_log.h b/src/include/eina_log.h index aab2692..f76f985 100644 --- a/src/include/eina_log.h +++ b/src/include/eina_log.h @@ -59,43 +59,7 @@ * * Here is an example: * - * @code - * #include - * #include - * - * #include - * - * void test(int i) - * { - * EINA_LOG_DBG("Entering test"); - * - * if (i < 0) - * { - * EINA_LOG_ERR("Argument is negative"); - * return; - * } - * - * EINA_LOG_INFO("argument non negative"); - * - * EINA_LOG_DBG("Exiting test"); - * } - * - * int main(void) - * { - * if (!eina_init()) - * { - * printf("log during the initialization of Eina_Log module\n"); - * return EXIT_FAILURE; - * } - * - * test(-1); - * test(0); - * - * eina_shutdown(); - * - * return EXIT_SUCCESS; - * } - * @endcode + * @include eina_log_02.c * * If you compiled Eina without debug mode, execution will yield only one log * message, which is "argument is negative". @@ -124,16 +88,11 @@ * expects a list in the form domain_name1:level1,domain_name2:level2,... . For * example: * - * @code - * - * EINA_LOG_LEVELS=mymodule1:5,mymodule2:2,mymodule3:0 ./myapp - * - * @endcode + * @verbatim EINA_LOG_LEVELS=mymodule1:5,mymodule2:2,mymodule3:0 ./myapp@endverbatim * * This line would set mymodule1 level to 5, mymodule2 level to 2 and mymodule3 * level to 0. * - * * There's also a global logger to which EINA_LOG_(ERR, DBG, INFO, CRIT, WARN) * macros do log on. It is a logger that is created internally by Eina Log with * an empty name and can be used for general logging (where logging domains do @@ -146,11 +105,7 @@ * This variable specifies the level of the global logging domain and the level * of domains that haven't been set through EINA_LOG_LEVELS. Here's an example: * - * @code - * - * EINA_LOG_LEVEL=3 EINA_LOG_LEVELS=module1:10,module3:2 ./myapp - * - * @endcode + * @verbatim EINA_LOG_LEVEL=3 EINA_LOG_LEVELS=module1:10,module3:2 ./myapp@endverbatim * * Supposing you have modules named "module1", "module2" and "module3", this * line would result in module1 with level 10, module2 with level 3 and module3 @@ -161,7 +116,6 @@ * The global level (EINA_LOG_LEVEL) can also be set through code, using * eina_log_level_set() function. * - * * While developing your libraries or applications, you may notice that * EINA_LOG_DOM_(ERR, DBG, INFO, CRIT, WARN) macros also print out * messages from eina itself. Here we introduce another environment variable @@ -172,11 +126,7 @@ * see your own domain's messages easier without having to sift through a lot of * internal eina debug messages. Here's an example: * - * @code - * - * EINA_LOG_LEVEL=3 EINA_LOG_LEVELS_GLOB=eina_*:0 ./myapp - * - * @endcode + * @verbatim EINA_LOG_LEVEL=3 EINA_LOG_LEVELS_GLOB=eina_*:0 ./myapp@endverbatim * * This will disable eina_log output from all internal eina code thus allowing * you to see your own domain messages easier. @@ -197,84 +147,9 @@ * Here is an example of custom callback, whose behavior can be * changed at runtime: * - * @code - * #include - * #include - * - * #include - * - * #define log(fmt, ...) \ - * eina_log_print(EINA_LOG_LEVEL_ERR, __FILE__, __FUNCTION__, __LINE__, fmt, ##__VA_ARGS__) - * - * typedef struct _Data Data; - * - * struct _Data - * { - * int to_stderr; - * }; - * - * void print_cb(const Eina_Log_Domain *domain, - * Eina_Log_Level level, - * const char *file, - * const char *fnc, - * int line, - * const char *fmt, - * void *data, - * va_list args) - * { - * Data *d; - * FILE *output; - * char *str; - * - * d = (Data *)data; - * if (d->to_stderr) - * { - * output = stderr; - * str = "stderr"; - * } - * else - * { - * output = stdout; - * str = "stdout"; - * } - * - * fprintf(output, "%s:%s:%s (%d) %s: ", - * domain->domain_str, file, fnc, line, str); - * vfprintf(output, fmt, args); - * putc('\n', output); - * } - * - * void test(Data *data, int i) - * { - * if (i < 0) - * data->to_stderr = 0; - * else - * data->to_stderr = 1; - * - * log("log message..."); - * } - * - * int main(void) - * { - * Data data; - * - * if (!eina_init()) - * { - * printf("log during the initialization of Eina_Log module\n"); - * return EXIT_FAILURE; - * } - * - * eina_log_print_cb_set(print_cb, &data); - * - * test(&data, -1); - * test(&data, 0); - * - * eina_shutdown(); - * - * return EXIT_SUCCESS; - * } - * @endcode - * + * @include eina_log_03.c + * @example eina_log_02.c + * @example eina_log_03.c */ /** @@ -320,49 +195,21 @@ * later shut down with eina_shutdown(). Here is a straightforward * example: * - * @code - * #include - * #include - * - * #include - * - * void test_warn(void) - * { - * EINA_LOG_WARN("Here is a warning message"); - * } - * - * int main(void) - * { - * if (!eina_init()) - * { - * printf("log during the initialization of Eina_Log module\n"); - * return EXIT_FAILURE; - * } - * - * test_warn(); - * - * eina_shutdown(); - * - * return EXIT_SUCCESS; - * } - * @endcode + * @include eina_log_01.c * * Compile this code with the following command: * - * @code - * gcc -Wall -o test_Eina_Log test_eina.c `pkg-config --cflags --libs eina` - * @endcode + * @verbatim gcc -Wall -o eina_log_01 eina_log_01.c `pkg-config --cflags --libs eina`@endverbatim * * Now execute the program with: * - * @code - * EINA_LOG_LEVEL=2 ./test_eina_log - * @endcode + * @verbatim EINA_LOG_LEVEL=2 ./eina_log_01@endverbatim * * You should see a message displayed in the terminal. * * For more information, you can look at the @ref tutorial_log_page. * + * @example eina_log_01.c * @{ */