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Make code compatible with yajl 2.0 *and* 1.0

This commit is contained in:
Michael Stapelberg 2011-04-27 19:52:53 +02:00
parent 28b9ed6eb3
commit 528f486eee
5 changed files with 100 additions and 7 deletions
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4
common.mk
View File

@ -80,6 +80,10 @@ ifeq ($(UNAME),FreeBSD)
LDFLAGS += -liconv
endif
# Fallback for libyajl 1 which did not include yajl_version.h. We need
# YAJL_MAJOR from that file to decide which code path should be used.
CFLAGS += -idirafter yajl-fallback
ifneq (,$(filter Linux GNU GNU/%, $(UNAME)))
CFLAGS += -D_GNU_SOURCE
endif

40
src/ipc.c
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@ -3,7 +3,7 @@
*
* i3 - an improved dynamic tiling window manager
*
* © 2009-2010 Michael Stapelberg and contributors
* © 2009-2011 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
@ -17,6 +17,7 @@
#include <ev.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_parse.h>
#include <yajl/yajl_version.h>
#include "all.h"
@ -282,12 +283,20 @@ void dump_node(yajl_gen gen, struct Con *con, bool inplace_restart) {
IPC_HANDLER(tree) {
setlocale(LC_NUMERIC, "C");
#if YAJL_MAJOR >= 2
yajl_gen gen = yajl_gen_alloc(NULL);
#else
yajl_gen gen = yajl_gen_alloc(NULL, NULL);
#endif
dump_node(gen, croot, false);
setlocale(LC_NUMERIC, "");
const unsigned char *payload;
#if YAJL_MAJOR >= 2
size_t length;
#else
unsigned int length;
#endif
y(get_buf, &payload, &length);
ipc_send_message(fd, payload, I3_IPC_REPLY_TYPE_TREE, length);
@ -300,7 +309,11 @@ IPC_HANDLER(tree) {
*
*/
IPC_HANDLER(get_workspaces) {
#if YAJL_MAJOR >= 2
yajl_gen gen = yajl_gen_alloc(NULL);
#else
yajl_gen gen = yajl_gen_alloc(NULL, NULL);
#endif
y(array_open);
Con *focused_ws = con_get_workspace(focused);
@ -351,7 +364,11 @@ IPC_HANDLER(get_workspaces) {
y(array_close);
const unsigned char *payload;
#if YAJL_MAJOR >= 2
size_t length;
#else
unsigned int length;
#endif
y(get_buf, &payload, &length);
ipc_send_message(fd, payload, I3_IPC_REPLY_TYPE_WORKSPACES, length);
@ -364,7 +381,11 @@ IPC_HANDLER(get_workspaces) {
*
*/
IPC_HANDLER(get_outputs) {
#if YAJL_MAJOR >= 2
yajl_gen gen = yajl_gen_alloc(NULL);
#else
yajl_gen gen = yajl_gen_alloc(NULL, NULL);
#endif
y(array_open);
Output *output;
@ -401,7 +422,11 @@ IPC_HANDLER(get_outputs) {
y(array_close);
const unsigned char *payload;
#if YAJL_MAJOR >= 2
size_t length;
#else
unsigned int length;
#endif
y(get_buf, &payload, &length);
ipc_send_message(fd, payload, I3_IPC_REPLY_TYPE_OUTPUTS, length);
@ -412,8 +437,17 @@ IPC_HANDLER(get_outputs) {
* Callback for the YAJL parser (will be called when a string is parsed).
*
*/
#if YAJL_MAJOR < 2
static int add_subscription(void *extra, const unsigned char *s,
unsigned int len) {
#else
static int add_subscription(void *extra, const unsigned char *s,
size_t len) {
if (len < 0) {
DLOG("Invalid subscription with len %zd\n", len);
return 1;
}
#endif
ipc_client *client = extra;
DLOG("should add subscription to extra %p, sub %.*s\n", client, len, s);
@ -463,7 +497,11 @@ IPC_HANDLER(subscribe) {
memset(&callbacks, 0, sizeof(yajl_callbacks));
callbacks.yajl_string = add_subscription;
#if YAJL_MAJOR >= 2
p = yajl_alloc(&callbacks, NULL, (void*)client);
#else
p = yajl_alloc(&callbacks, NULL, NULL, (void*)client);
#endif
stat = yajl_parse(p, (const unsigned char*)message, message_size);
if (stat != yajl_status_ok) {
unsigned char *err;

37
src/load_layout.c
View File

@ -5,6 +5,7 @@
#include <yajl/yajl_common.h>
#include <yajl/yajl_gen.h>
#include <yajl/yajl_parse.h>
#include <yajl/yajl_version.h>
#include "all.h"
@ -66,8 +67,16 @@ static int json_end_array(void *ctx) {
return 1;
}
#if YAJL_MAJOR < 2
static int json_key(void *ctx, const unsigned char *val, unsigned int len) {
LOG("key: %.*s\n", len, val);
#else
static int json_key(void *ctx, const unsigned char *val, size_t len) {
if (len < 0) {
LOG("Invalid key, len = %zd\n", len);
return 1;
}
#endif
LOG("key: %.*s\n", (int)len, val);
FREE(last_key);
last_key = scalloc((len+1) * sizeof(char));
memcpy(last_key, val, len);
@ -83,7 +92,15 @@ static int json_key(void *ctx, const unsigned char *val, unsigned int len) {
return 1;
}
#if YAJL_MAJOR >= 2
static int json_string(void *ctx, const unsigned char *val, size_t len) {
#else
static int json_string(void *ctx, const unsigned char *val, unsigned int len) {
#endif
if (len < 0) {
LOG("Invalid string for key %s\n", last_key);
return 1;
}
LOG("string: %.*s for key %s\n", len, val, last_key);
if (parsing_swallows) {
/* TODO: the other swallowing keys */
@ -102,7 +119,7 @@ static int json_string(void *ctx, const unsigned char *val, unsigned int len) {
LOG("sticky_group of this container is %s\n", json_node->sticky_group);
} else if (strcasecmp(last_key, "orientation") == 0) {
char *buf = NULL;
asprintf(&buf, "%.*s", len, val);
asprintf(&buf, "%.*s", (int)len, val);
if (strcasecmp(buf, "none") == 0)
json_node->orientation = NO_ORIENTATION;
else if (strcasecmp(buf, "horizontal") == 0)
@ -116,7 +133,11 @@ static int json_string(void *ctx, const unsigned char *val, unsigned int len) {
return 1;
}
#if YAJL_MAJOR >= 2
static int json_int(void *ctx, long long val) {
#else
static int json_int(void *ctx, long val) {
#endif
LOG("int %d for key %s\n", val, last_key);
if (strcasecmp(last_key, "layout") == 0) {
json_node->layout = val;
@ -197,8 +218,13 @@ void tree_append_json(const char *filename) {
callbacks.yajl_map_key = json_key;
callbacks.yajl_integer = json_int;
callbacks.yajl_double = json_double;
#if YAJL_MAJOR >= 2
g = yajl_gen_alloc(NULL);
hand = yajl_alloc(&callbacks, NULL, (void*)g);
#else
g = yajl_gen_alloc(NULL, NULL);
hand = yajl_alloc(&callbacks, NULL, NULL, (void*)g);
#endif
yajl_status stat;
json_node = focused;
to_focus = NULL;
@ -207,8 +233,7 @@ void tree_append_json(const char *filename) {
parsing_geometry = false;
setlocale(LC_NUMERIC, "C");
stat = yajl_parse(hand, (const unsigned char*)buf, n);
if (stat != yajl_status_ok &&
stat != yajl_status_insufficient_data)
if (stat != yajl_status_ok)
{
unsigned char * str = yajl_get_error(hand, 1, (const unsigned char*)buf, n);
fprintf(stderr, "%s\n", (const char *) str);
@ -216,7 +241,11 @@ void tree_append_json(const char *filename) {
}
setlocale(LC_NUMERIC, "");
#if YAJL_MAJOR >= 2
yajl_complete_parse(hand);
#else
yajl_parse_complete(hand);
#endif
fclose(f);
if (to_focus)

19
src/util.c
View File

@ -3,7 +3,7 @@
*
* i3 - an improved dynamic tiling window manager
*
* © 2009-2010 Michael Stapelberg and contributors
* © 2009-2011 Michael Stapelberg and contributors
*
* See file LICENSE for license information.
*
@ -18,6 +18,7 @@
#endif
#include <fcntl.h>
#include <pwd.h>
#include <yajl/yajl_version.h>
#include "all.h"
@ -281,14 +282,22 @@ char *get_process_filename(const char *prefix) {
char *store_restart_layout() {
setlocale(LC_NUMERIC, "C");
#if YAJL_MAJOR >= 2
yajl_gen gen = yajl_gen_alloc(NULL);
#else
yajl_gen gen = yajl_gen_alloc(NULL, NULL);
#endif
dump_node(gen, croot, true);
setlocale(LC_NUMERIC, "");
const unsigned char *payload;
#if YAJL_MAJOR >= 2
size_t length;
#else
unsigned int length;
#endif
y(get_buf, &payload, &length);
/* create a temporary file if one hasn't been specified, or just
@ -324,11 +333,17 @@ char *store_restart_layout() {
return NULL;
}
written += n;
#if YAJL_MAJOR >= 2
printf("written: %d of %zd\n", written, length);
#else
printf("written: %d of %d\n", written, length);
#endif
}
close(fd);
printf("layout: %.*s\n", length, payload);
if (length > 0) {
printf("layout: %.*s\n", (int)length, payload);
}
y(free);

7
yajl-fallback/yajl/yajl_version.h Normal file
View File

@ -0,0 +1,7 @@
#ifndef YAJL_VERSION_H_
#define YAJL_VERSION_H_
/* Fallback for libyajl 1 which does not provide yajl_version.h */
#define YAJL_MAJOR 1
#define YAJL_MINOR 0
#define YAJL_MICRO 0
#endif