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scanner: refactor creating objects
wrap creating and initializing objects (structures)
into functions and use them in the code.
v2. make create_.* functions consistent
(no func will return NULL)
Signed-off-by: Marek Chalupa <mchqwerty@gmail.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
This commit is contained in:
Marek Chalupa
Bryce Harrington
parent
1c12bf48af
commit
87fab2e36c
1 changed files with 111 additions and 53 deletions
164
src/scanner.c
164
src/scanner.c
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@ -1,6 +1,7 @@
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/*
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* Copyright © 2008-2011 Kristian Høgsberg
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* Copyright © 2011 Intel Corporation
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* Copyright © 2015 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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@ -315,6 +316,108 @@ is_nullable_type(struct arg *arg)
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}
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}
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static struct message *
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create_message(struct location loc, const char *name)
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{
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struct message *message;
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message = xmalloc(sizeof *message);
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message->loc = loc;
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message->name = xstrdup(name);
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message->uppercase_name = uppercase_dup(name);
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wl_list_init(&message->arg_list);
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message->arg_count = 0;
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message->new_id_count = 0;
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message->description = NULL;
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return message;
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}
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static struct arg *
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create_arg(const char *name)
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{
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struct arg *arg;
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arg = xmalloc(sizeof *arg);
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arg->name = xstrdup(name);
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arg->summary = NULL;
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arg->interface_name = NULL;
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return arg;
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}
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static bool
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set_arg_type(struct arg *arg, const char *type)
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{
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if (strcmp(type, "int") == 0)
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arg->type = INT;
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else if (strcmp(type, "uint") == 0)
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arg->type = UNSIGNED;
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else if (strcmp(type, "fixed") == 0)
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arg->type = FIXED;
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else if (strcmp(type, "string") == 0)
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arg->type = STRING;
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else if (strcmp(type, "array") == 0)
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arg->type = ARRAY;
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else if (strcmp(type, "fd") == 0)
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arg->type = FD;
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else if (strcmp(type, "new_id") == 0)
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arg->type = NEW_ID;
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else if (strcmp(type, "object") == 0)
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arg->type = OBJECT;
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else
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return false;
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return true;
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}
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static struct enumeration *
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create_enumeration(const char *name)
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{
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struct enumeration *enumeration;
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enumeration = xmalloc(sizeof *enumeration);
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enumeration->name = xstrdup(name);
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enumeration->uppercase_name = uppercase_dup(name);
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enumeration->description = NULL;
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wl_list_init(&enumeration->entry_list);
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return enumeration;
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}
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static struct entry *
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create_entry(const char *name, const char *value)
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{
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struct entry *entry;
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entry = xmalloc(sizeof *entry);
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entry->name = xstrdup(name);
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entry->uppercase_name = uppercase_dup(name);
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entry->value = xstrdup(value);
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return entry;
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}
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static struct interface *
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create_interface(struct location loc, const char *name, int version)
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{
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struct interface *interface;
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interface = xmalloc(sizeof *interface);
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interface->loc = loc;
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interface->name = xstrdup(name);
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interface->uppercase_name = uppercase_dup(name);
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interface->version = version;
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interface->description = NULL;
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interface->since = 1;
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wl_list_init(&interface->request_list);
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wl_list_init(&interface->event_list);
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wl_list_init(&interface->enumeration_list);
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return interface;
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}
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static void
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start_element(void *data, const char *element_name, const char **atts)
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{
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@ -376,32 +479,16 @@ start_element(void *data, const char *element_name, const char **atts)
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if (version == 0)
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fail(&ctx->loc, "no interface version given");
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interface = xmalloc(sizeof *interface);
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interface->loc = ctx->loc;
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interface->name = xstrdup(name);
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interface->uppercase_name = uppercase_dup(name);
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interface->version = version;
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interface->description = NULL;
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interface->since = 1;
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wl_list_init(&interface->request_list);
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wl_list_init(&interface->event_list);
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wl_list_init(&interface->enumeration_list);
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interface = create_interface(ctx->loc, name, version);
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ctx->interface = interface;
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wl_list_insert(ctx->protocol->interface_list.prev,
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&interface->link);
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ctx->interface = interface;
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} else if (strcmp(element_name, "request") == 0 ||
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strcmp(element_name, "event") == 0) {
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if (name == NULL)
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fail(&ctx->loc, "no request name given");
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message = xmalloc(sizeof *message);
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message->loc = ctx->loc;
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message->name = xstrdup(name);
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message->uppercase_name = uppercase_dup(name);
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wl_list_init(&message->arg_list);
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message->arg_count = 0;
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message->new_id_count = 0;
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message->description = NULL;
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message = create_message(ctx->loc, name);
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if (strcmp(element_name, "request") == 0)
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wl_list_insert(ctx->interface->request_list.prev,
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@ -440,28 +527,9 @@ start_element(void *data, const char *element_name, const char **atts)
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if (name == NULL)
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fail(&ctx->loc, "no argument name given");
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arg = xmalloc(sizeof *arg);
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arg->name = xstrdup(name);
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if (strcmp(type, "int") == 0)
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arg->type = INT;
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else if (strcmp(type, "uint") == 0)
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arg->type = UNSIGNED;
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else if (strcmp(type, "fixed") == 0)
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arg->type = FIXED;
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else if (strcmp(type, "string") == 0)
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arg->type = STRING;
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else if (strcmp(type, "array") == 0)
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arg->type = ARRAY;
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else if (strcmp(type, "fd") == 0)
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arg->type = FD;
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else if (strcmp(type, "new_id") == 0) {
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arg->type = NEW_ID;
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} else if (strcmp(type, "object") == 0) {
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arg->type = OBJECT;
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} else {
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arg = create_arg(name);
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if (!set_arg_type(arg, type))
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fail(&ctx->loc, "unknown type (%s)", type);
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}
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switch (arg->type) {
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case NEW_ID:
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@ -472,8 +540,6 @@ start_element(void *data, const char *element_name, const char **atts)
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case OBJECT:
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if (interface_name)
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arg->interface_name = xstrdup(interface_name);
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else
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arg->interface_name = NULL;
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break;
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default:
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if (interface_name != NULL)
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@ -491,7 +557,6 @@ start_element(void *data, const char *element_name, const char **atts)
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if (allow_null != NULL && !is_nullable_type(arg))
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fail(&ctx->loc, "allow-null is only valid for objects, strings, and arrays");
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arg->summary = NULL;
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if (summary)
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arg->summary = xstrdup(summary);
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@ -501,12 +566,7 @@ start_element(void *data, const char *element_name, const char **atts)
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if (name == NULL)
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fail(&ctx->loc, "no enum name given");
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enumeration = xmalloc(sizeof *enumeration);
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enumeration->name = xstrdup(name);
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enumeration->uppercase_name = uppercase_dup(name);
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enumeration->description = NULL;
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wl_list_init(&enumeration->entry_list);
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enumeration = create_enumeration(name);
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wl_list_insert(ctx->interface->enumeration_list.prev,
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&enumeration->link);
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@ -515,10 +575,8 @@ start_element(void *data, const char *element_name, const char **atts)
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if (name == NULL)
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fail(&ctx->loc, "no entry name given");
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entry = xmalloc(sizeof *entry);
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entry->name = xstrdup(name);
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entry->uppercase_name = uppercase_dup(name);
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entry->value = xstrdup(value);
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entry = create_entry(name, value);
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if (summary)
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entry->summary = xstrdup(summary);
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else
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