X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fgenskel%2Fgenskel.c;fp=src%2Fgenskel%2Fgenskel.c;h=0000000000000000000000000000000000000000;hb=45c8372c2b4137691a38c2a04f4a5759a110f2f7;hp=62dfe3f4bc72d68b5c10a53b6827888423404f45;hpb=e1b255b4c6486b0d2df5cd8b2aad8b817876ddf2;p=src%2Fapp-framework-binder.git

diff --git a/src/genskel/genskel.c b/src/genskel/genskel.c
deleted file mode 100644
index 62dfe3f4..00000000
--- a/src/genskel/genskel.c
+++ /dev/null
@@ -1,708 +0,0 @@
-/*
- * Copyright (C) 2016, 2017 "IoT.bzh"
- * Author José Bollo <jose.bollo@iot.bzh>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/*
- * This simple program expands the object { "$ref": "#/path/to/a/target" }
- *
- * For example:
- *
- *  {
- *    "type":{
- *      "a": "int",
- *      "b": { "$ref": "#/type/a" }
- *    }
- *  }
- *
- * will be exapanded to
- *
- *  {
- *    "type":{
- *      "a": "int",
- *      "b": "int"
- *    }
- *  }
- *
- * Invocation:   program  [file|-]...
- *
- * without arguments, it reads the input.
- */
-
-#define _GNU_SOURCE
-#include <string.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <ctype.h>
-
-#include <json-c/json.h>
-
-#define oom(x) do{if(!(x)){fprintf(stderr,"out of memory\n");exit(1);}}while(0)
-
-/**
- * records path to the expanded node
- */
-struct path
-{
-	struct json_object *object;	/**< node being expanded */
-	struct path *upper;		/**< link to upper expanded nodes */
-};
-
-/**
- * root of the JSON being parsed
- */
-struct json_object *root = NULL;
-struct json_object *d_perms = NULL;
-struct json_object *a_perms = NULL;
-const char *preinit = NULL;
-const char *init = NULL;
-const char *onevent = NULL;
-const char *api = NULL;
-const char *scope = NULL;
-const char *prefix = NULL;
-const char *postfix = NULL;
-char *capi = NULL;
-int priv = -1;
-int noconc = -1;
-
-/**
- * Search for a reference of type "#/a/b/c" int the
- * parsed JSON object
- */
-struct json_object *search(const char *path)
-{
-	char *d;
-	struct json_object *i;
-
-	/* does it match #/ at the beginning? */
-	if (path[0] != '#' || (path[0] && path[1] != '/'))
-		return NULL;
-
-	/* search from root to target */
-	i = root;
-	d = strdupa(path+2);
-	d = strtok(d, "/");
-	while(i && d) {
-		if (!json_object_object_get_ex(i, d, &i))
-			return NULL;
-		d = strtok(NULL, "/");
-	}
-	return i;
-}
-
-/**
- * Expands the node designated by path and returns its expanded form
- */
-struct json_object *expand_$ref(struct path path)
-{
-	struct path *p;
-	struct json_object *o, *x;
-	int n, i;
-	struct json_object_iterator ji, jn;
-
-	/* expansion depends of the type of the node */
-	switch (json_object_get_type(path.object)) {
-	case json_type_object:
-		/* for object, look if it contains a property "$ref" */
-		if (json_object_object_get_ex(path.object, "$ref", &o)) {
-			/* yes, reference, try to substitute its target */
-			if (!json_object_is_type(o, json_type_string)) {
-				fprintf(stderr, "found a $ref not being string. Is: %s\n", json_object_get_string(o));
-				exit(1);
-			}
-			x = search(json_object_get_string(o));
-			if (!x) {
-				fprintf(stderr, "$ref not found. Was: %s\n", json_object_get_string(o));
-				exit(1);
-			}
-			p = &path;
-			while(p) {
-				if (x == p->object) {
-					fprintf(stderr, "$ref recursive. Was: %s\n", json_object_get_string(o));
-					exit(1);
-				}
-				p = p->upper;
-			}
-			/* cool found, return a new instance of the target */
-			return json_object_get(x);
-		}
-		/* no, expand the values */
-		ji = json_object_iter_begin(path.object);
-		jn = json_object_iter_end(path.object);
-		while (!json_object_iter_equal(&ji, &jn)) {
-			o = json_object_iter_peek_value(&ji);
-			x = expand_$ref((struct path){ .object = o, .upper = &path });
-			if (x != o)
-				json_object_object_add(path.object, json_object_iter_peek_name(&ji), x);
-			json_object_iter_next(&ji);
-		}
-		break;
-	case json_type_array:
-		/* expand the values of arrays */
-		i = 0;
-		n = json_object_array_length(path.object);
-		while (i != n) {
-			o = json_object_array_get_idx(path.object, i);
-			x = expand_$ref((struct path){ .object = o, .upper = &path });
-			if (x != o)
-				json_object_array_put_idx(path.object, i, x);
-			i++;
-		}
-		break;
-	default:
-		/* otherwise no expansion */
-		break;
-	}
-
-	/* return the given node */
-	return path.object;
-}
-
-char *cify(const char *str)
-{
-	char *r = strdup(str);
-	int i = 0;
-	while (r && r[i]) {
-		if (!isalnum(r[i]))
-			r[i] = '_';
-		i++;
-	}
-	return r;
-}
-
-char *make_info(const char *text, int split)
-{
-	const char *a, *b;
-	char *desc, c, buf[3];
-	size_t len;
-	int i, pos, e;
-
-	/* estimated length */
-	a = b = text;
-	len = 1;
-	while((c = *b++)) {
-		len += 1 + ('"' == c);
-	}
-
-	len += 7 * (1 + len / 72);
-	desc = malloc(len);
-	oom(desc);
-
-	len = pos = 0;
-	if (!split)
-		desc[len++] = '"';
-	b = a;
-	while((c = *b++)) {
-		if (c == '"') {
-			buf[0] = '\\';
-			buf[1] = '"';
-			buf[2] = 0;
-		}
-		else if (c == '\\') {
-			switch ((c = *b++)) {
-			case 0:
-				b--;
-				break;
-			case '/':
-				buf[0] = '/';
-				buf[1] = 0;
-				break;
-			default:
-				buf[0] = '\\';
-				buf[1] = c;
-				buf[2] = 0;
-				break;
-			}
-		}
-		else {
-			buf[0] = c;
-			buf[1] = 0;
-		}
-		i = e = 0;
-		while (buf[i]) {
-			if (split) {
-				if (pos >= 77 && !e) {
-					desc[len++] = '"';
-					desc[len++] = '\n';
-					pos = 0;
-				}
-				if (pos == 0) {
-					desc[len++] = ' ';
-					desc[len++] = ' ';
-					desc[len++] = ' ';
-					desc[len++] = ' ';
-					desc[len++] = '"';
-					pos = 5;
-				}
-			}
-			c = buf[i++];
-			desc[len++] = c;
-			e = !e && c == '\\';
-			pos++;
-		}
-	}
-	desc[len++] = '"';
-	if (split)
-		desc[len++] = '\n';
-	desc[len] = 0;
-	return desc;
-}
-
-char *make_desc(struct json_object *o)
-{
-	return make_info(json_object_to_json_string_ext(root, 0), 1);
-}
-
-struct json_object *permissions_of_verb(struct json_object *obj)
-{
-	struct json_object *x, *y;
-
-	if (json_object_object_get_ex(obj, "x-permissions", &x))
-		return x;
-
-	if (json_object_object_get_ex(obj, "get", &x))
-		if (json_object_object_get_ex(x, "x-permissions", &y))
-			return y;
-
-	return NULL;
-}
-
-void print_perms()
-{
-	int i, n;
-
-	n = a_perms ? json_object_array_length(a_perms) : 0;
-	if (n) {
-		printf("static const struct afb_auth _afb_auths_v2_%s[] = {\n" , capi);
-		i = 0;
-		while (i < n) {
-			printf("\t{ %s }", json_object_get_string(json_object_array_get_idx(a_perms, i)));
-			printf(",\n"+(++i == n));
-		}
-		printf("};\n\n");
-	}
-}
-
-struct json_object *new_perm(struct json_object *obj, const char *desc)
-{
-	const char *tag;
-	char *b;
-	struct json_object *x, *y;
-
-	tag = obj ? json_object_to_json_string_ext(obj, 0) : desc;
-	if (!json_object_object_get_ex(d_perms, tag, &y)) {
-		if (!d_perms) {
-			d_perms = json_object_new_object();
-			a_perms = json_object_new_array();
-		}
-
-		asprintf(&b, "&_afb_auths_v2_%s[%d]", capi, json_object_array_length(a_perms));
-		x = json_object_new_string(desc);
-		y = json_object_new_string(b);
-		json_object_array_add(a_perms, x);
-		json_object_object_add(d_perms, tag, y);
-		free(b);
-	}
-	return y;
-}
-
-struct json_object *decl_perm(struct json_object *obj);
-
-struct json_object *decl_perm_a(const char *op, struct json_object *obj)
-{
-	int i, n;
-	char *a;
-	struct json_object *x, *y;
-
-	x = NULL;
-	i = n = obj ? json_object_array_length(obj) : 0;
-	while (i) {
-		y = decl_perm(json_object_array_get_idx(obj, --i));
-		if (!y)
-			;
-		else if (!x)
-			x = y;
-		else if (x != y) {
-			asprintf(&a, ".type = afb_auth_%s, .first = %s, .next = %s",
-				 op, json_object_get_string(y), json_object_get_string(x));
-			x = new_perm(NULL, a);
-			free(a);
-		}
-	}
-	return x;
-}
-
-struct json_object *decl_perm(struct json_object *obj)
-{
-	char *a;
-	struct json_object *x, *y;
-
-	if (json_object_object_get_ex(d_perms, json_object_to_json_string_ext(obj, 0), &x))
-		return x;
-
-	if (json_object_object_get_ex(obj, "permission", &x)) {
-		asprintf(&a, ".type = afb_auth_Permission, .text = \"%s\"", json_object_get_string(x));
-		y = new_perm(obj, a);
-		free(a);
-	}
-	else if (json_object_object_get_ex(obj, "anyOf", &x)) {
-		y = decl_perm_a("Or", x);
-	}
-	else if (json_object_object_get_ex(obj, "allOf", &x)) {
-		y = decl_perm_a("And", x);
-	}
-	else if (json_object_object_get_ex(obj, "not", &x)) {
-		x = decl_perm(x);
-		asprintf(&a, ".type = afb_auth_Not, .first = %s", json_object_get_string(x));
-		y = new_perm(obj, a);
-		free(a);
-	}
-	else if (json_object_object_get_ex(obj, "LOA", &x))
-		y = NULL;
-	else if (json_object_object_get_ex(obj, "session", &x))
-		y = NULL;
-	else
-		y = NULL;
-
-	return y;
-}
-
-void declare_permissions(const char *name, struct json_object *obj)
-{
-	struct json_object *p;
-
-	p = permissions_of_verb(obj);
-	if (p)
-		decl_perm(p);
-}
-
-
-#define SESSION_CLOSE  0x000001
-#define SESSION_RENEW  0x000010
-#define SESSION_CHECK  0x000100
-#define SESSION_LOA_1  0x001000
-#define SESSION_LOA_2  0x011000
-#define SESSION_LOA_3  0x111000
-#define SESSION_MASK   0x111111
-
-
-int get_session(struct json_object *obj);
-
-int get_session_a(int and, struct json_object *obj)
-{
-	int i, n, x, y;
-
-	n = obj ? json_object_array_length(obj) : 0;
-	if (n == 0)
-		return 0;
-
-	i = n;
-	x = get_session(json_object_array_get_idx(obj, --i));
-	while (i) {
-		y = get_session(json_object_array_get_idx(obj, --i));
-		if (and)
-			x &= y;
-		else
-			x |= y;
-	}
-	return x;
-}
-
-int get_session(struct json_object *obj)
-{
-	int y;
-	const char *a;
-	struct json_object *x;
-
-	y = 0;
-	if (json_object_object_get_ex(obj, "anyOf", &x)) {
-		y = get_session_a(1, x);
-	}
-	else if (json_object_object_get_ex(obj, "allOf", &x)) {
-		y = get_session_a(0, x);
-	}
-	else if (json_object_object_get_ex(obj, "not", &x)) {
-		y = ~get_session(x) & SESSION_MASK;
-	}
-	else if (json_object_object_get_ex(obj, "LOA", &x)) {
-		switch (json_object_get_int(x)) {
-		case 3: y = SESSION_LOA_3; break;
-		case 2: y = SESSION_LOA_2; break;
-		case 1: y = SESSION_LOA_1; break;
-		default: break;
-		}
-	}
-	else if (json_object_object_get_ex(obj, "session", &x)) {
-		a = json_object_get_string(x);
-		if (!strcmp(a, "check"))
-			y = SESSION_CHECK;
-		else if (!strcmp(a, "close"))
-			y = SESSION_CLOSE;
-	}
-	else if (json_object_object_get_ex(obj, "token", &x)) {
-		a = json_object_get_string(x);
-		if (!strcmp(a, "refresh"))
-			y = SESSION_RENEW;
-	}
-
-	return y;
-}
-
-void print_session(struct json_object *p)
-{
-	int s, c, l;
-
-	s = p ? get_session(p) : 0;
-	c = 1;
-	if (s & SESSION_CHECK) {
-		printf("%s", "|AFB_SESSION_CHECK_V2" + c);
-		c = 0;
-	}
-	if (s & SESSION_LOA_3 & ~SESSION_LOA_2)
-		l = 3;
-	else if (s & SESSION_LOA_2 & ~SESSION_LOA_1)
-		l = 2;
-	else if (s & SESSION_LOA_1)
-		l = 1;
-	else
-		l = 0;
-	if (l) {
-		printf("%s%d_V2", "|AFB_SESSION_LOA_" + c, l);
-		c = 0;
-	}
-	if (s & SESSION_CLOSE) {
-		printf("%s", "|AFB_SESSION_CLOSE_V2" + c);
-		c = 0;
-	}
-	if (s & SESSION_RENEW) {
-		printf("%s", "|AFB_SESSION_REFRESH_V2" + c);
-		c = 0;
-	}
-	if (c)
-		printf("AFB_SESSION_NONE_V2");
-}
-
-void print_verb(const char *name)
-{
-	printf("%s%s%s" , prefix, name, postfix);
-}
-
-void print_declare_verb(const char *name, struct json_object *obj)
-{
-	printf("%s void ", scope);
-	print_verb(name);
-	printf("(struct afb_req req);\n");
-}
-
-void print_struct_verb(const char *name, struct json_object *obj)
-{
-	struct json_object *p, *i;
-	const char *info;
-
-	info = NULL;
-	if (json_object_object_get_ex(obj, "description", &i))
-		info = json_object_get_string(i);
-
-	p = permissions_of_verb(obj);
-	printf(
-		"    {\n"
-		"        .verb = \"%s\",\n"
-		"        .callback = "
-		, name
-	);
-	print_verb(name);
-	printf(
-		",\n"
-		"        .auth = %s,\n"
-		"        .info = %s,\n"
-		"        .session = "
-		, p && decl_perm(p) ? json_object_get_string(decl_perm(p)) : "NULL"
-		, info ? make_info(info, 0) : "NULL"
-	);
-	print_session(p);
-	printf(
-		"\n"
-		"    },\n"
-	);
-}
-
-void enum_verbs(void (*func)(const char *name, struct json_object *obj))
-{
-	struct json_object_iterator ji, jn;
-	struct json_object *paths, *obj;
-	const char *name;
-
-	/* search the verbs */
-	paths = search("#/paths");
-	if (!paths)
-		return;
-
-	/* list the verbs and sort it */
-	ji = json_object_iter_begin(paths);
-	jn = json_object_iter_end(paths);
-	while (!json_object_iter_equal(&ji, &jn)) {
-		name = json_object_iter_peek_name(&ji);
-		obj = json_object_iter_peek_value(&ji);
-		name += (*name == '/');
-		func(name, obj);
-		json_object_iter_next(&ji);
-	}
-}
-
-void getvarbool(int *var, const char *path, int defval)
-{
-	struct json_object *o;
-
-	if (*var != 0 && *var != 1) {
-		o = search(path);
-		if (o && json_object_is_type(o, json_type_boolean))
-			*var = json_object_get_boolean(o);
-		else
-			*var = !!defval;
-	}
-}
-
-void getvar(const char **var, const char *path, const char *defval)
-{
-	struct json_object *o;
-
-	if (!*var) {
-		o = search(path);
-		if (o && json_object_is_type(o, json_type_string))
-			*var = json_object_get_string(o);
-		else
-			*var = defval;
-	}
-}
-
-/**
- * process a file and prints its expansion on stdout
- */
-void process(char *filename)
-{
-	char *desc;
-	const char *info;
-
-	/* translate - */
-	if (!strcmp(filename, "-"))
-		filename = "/dev/stdin";
-
-	/* check access */
-	if (access(filename, R_OK)) {
-		fprintf(stderr, "can't access file %s\n", filename);
-		exit(1);
-	}
-
-	/* read the file */
-	root = json_object_from_file(filename);
-	if (!root) {
-		fprintf(stderr, "reading file %s produced null\n", filename);
-		exit(1);
-	}
-
-	/* create the description */
-	desc = make_desc(root);
-
-	/* expand references */
-	root = expand_$ref((struct path){ .object = root, .upper = NULL });
-
-	/* get some names */
-	getvar(&api, "#/info/x-binding-c-generator/api", NULL);
-	getvar(&preinit, "#/info/x-binding-c-generator/preinit", NULL);
-	getvar(&init, "#/info/x-binding-c-generator/init", NULL);
-	getvar(&onevent, "#/info/x-binding-c-generator/onevent", NULL);
-	getvar(&scope, "#/info/x-binding-c-generator/scope", "static");
-	getvar(&prefix, "#/info/x-binding-c-generator/prefix", "afb_verb_");
-	getvar(&postfix, "#/info/x-binding-c-generator/postfix", "_cb");
-	getvarbool(&priv, "#/info/x-binding-c-generator/private", 0);
-	getvarbool(&noconc, "#/info/x-binding-c-generator/noconcurrency", 0);
-	getvar(&api, "#/info/title", "?");
-	info = NULL;
-	getvar(&info, "#/info/description", NULL);
-	capi = cify(api);
-
-	/* get the API name */
-	printf(
-		"\n"
-		"static const char _afb_description_v2_%s[] =\n"
-		"%s"
-		";\n"
-		"\n"
-		, capi, desc
-	);
-	enum_verbs(declare_permissions);
-	print_perms();
-	enum_verbs(print_declare_verb);
-	printf(
-		"\n"
-		"static const struct afb_verb_v2 _afb_verbs_v2_%s[] = {\n"
-                , capi
-	);
-	enum_verbs(print_struct_verb);
-	printf(
-		"    {\n"
-		"        .verb = NULL,\n"
-		"        .callback = NULL,\n"
-		"        .auth = NULL,\n"
-		"        .info = NULL,\n"
-		"        .session = 0\n"
-		"	}\n"
-		"};\n"
-	);
-	printf(
-		"\n"
-		"%sconst struct afb_binding_v2 %s%s = {\n"
-		"    .api = \"%s\",\n"
-		"    .specification = _afb_description_v2_%s,\n"
-		"    .info = %s,\n"
-		"    .verbs = _afb_verbs_v2_%s,\n"
-		"    .preinit = %s,\n"
-		"    .init = %s,\n"
-		"    .onevent = %s,\n"
-		"    .noconcurrency = %d\n"
-		"};\n"
-		"\n"
-		, priv ? "static " : ""
-		, priv ? "_afb_binding_v2_" : "afbBindingV2"
-		, priv ? capi : ""
-		, api
-		, capi
-		, info ? make_info(info, 0) : "NULL"
-		, capi
-		, preinit ?: "NULL"
-		, init ?: "NULL"
-		, onevent ?: "NULL"
-		, !!noconc
-	);
-
-	/* clean up */
-	json_object_put(root);
-	free(desc);
-}
-
-/** process the list of files or stdin if none */
-int main(int ac, char **av)
-{
-	if (!*++av)
-		process("-");
-	else {
-		do { process(*av); } while(*++av);
-	}
-	return 0;
-}
-
-
-
-
-