wireshark/epan/diam_dict.l

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%top {
/* Include this before everything else, for various large-file definitions */
#include "config.h"
#include <wireshark.h>
}
/*
* We want a reentrant scanner.
*/
%option reentrant
/*
* We don't use input, so don't generate code for it.
*/
%option noinput
/*
* We don't use unput, so don't generate code for it.
*/
%option nounput
/*
* We don't read interactively from the terminal.
*/
%option never-interactive
/*
* The language we're scanning is case-insensitive.
*/
%option caseless
/*
* We use start condition stacks.
*/
%option stack
/*
* We want to stop processing when we get to the end of the input.
*/
%option noyywrap
/*
* The type for the state we keep for a scanner.
*/
%option extra-type="DiamDict_scanner_state_t *"
/*
* Prefix scanner routines with "DiamDict_" rather than "yy", so this scanner
* can coexist with other scanners.
*/
%option prefix="DiamDict_"
%option outfile="diam_dict.c"
/*
* We have to override the memory allocators so that we don't get
* "unused argument" warnings from the yyscanner argument (which
* we don't use, as we have a global memory allocator).
*
* We provide, as macros, our own versions of the routines generated by Flex,
* which just call malloc()/realloc()/free() (as the Flex versions do),
* discarding the extra argument.
*/
%option noyyalloc
%option noyyrealloc
%option noyyfree
%{
/*
** diam_dict.h
** Diameter Dictionary Import Routines
**
** (c) 2007, Luis E. Garcia Ontanon <luis@ontanon.org>
**
** This library is free software; you can redistribute it and/or
** modify it under the terms of the GNU Library General Public
** License as published by the Free Software Foundation; either
** version 2 of the License, or (at your option) any later version.
**
** This library 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
** Library General Public License for more details.
**
** You should have received a copy of the GNU Library General Public
** License along with this library; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor,
** Boston, MA 02110-1301, USA.
**
** See draft-frascone-xml-dictionary for the syntax of the
** dictionary.
*/
#include <glib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <stdarg.h>
#include "diam_dict.h"
#include <epan/to_str.h>
#include <wsutil/file_util.h>
/*
* Disable diagnostics in the code generated by Flex.
*/
DIAG_OFF_FLEX()
typedef struct entity_t {
char* name;
char* file;
struct entity_t* next;
} entity_t;
#define ATTR_UINT(cont) do { D(("attr_uint " #cont "\t" )); yyextra->attr_uint = &(cont); yy_push_state(GET_UINT_ATTR, yyscanner); } while(0)
#define ATTR_STR(cont) do { D(("attr_str " #cont "\t" )); yyextra->attr_str = &(cont); yy_push_state(GET_ATTR, yyscanner); } while(0)
#define IGNORE() do { D(("ignore: %s\t",yytext)); yy_push_state(IGNORE_ATTR, yyscanner); } while(0)
#define D(args) ddict_debug args
#define MAX_INCLUDE_DEPTH 10
#define YY_INPUT(buf,result,max_size) { result = yyextra->current_yyinput(buf,max_size,yyscanner); }
#define YY_USER_INIT { \
DiamDict_scanner_state_t *scanner_state = DiamDict_get_extra(yyscanner); \
BEGIN(scanner_state->start_state); \
}
#define ECHO
#define APPEND(txt,len) append_to_buffer(txt,len,yyextra)
typedef struct {
const char* sys_dir;
char* write_ptr;
char* read_ptr;
char* strbuf;
unsigned size_strbuf;
unsigned len_strbuf;
ddict_t* dict;
ddict_application_t* appl;
ddict_avp_t* avp;
ddict_enum_t* enumitem;
ddict_gavp_t* gavp;
ddict_typedefn_t* typedefn;
ddict_cmd_t* cmd;
ddict_vendor_t* vnd;
ddict_xmlpi_t* xmlpi;
ddict_application_t* last_appl;
ddict_avp_t* last_avp;
ddict_enum_t* last_enumitem;
ddict_gavp_t* last_gavp;
ddict_typedefn_t* last_typedefn;
ddict_cmd_t* last_cmd;
ddict_vendor_t* last_vnd;
ddict_xmlpi_t* last_xmlpi;
entity_t *ents;
char** attr_str;
unsigned* attr_uint;
size_t (*current_yyinput)(char*,size_t,yyscan_t);
int (*current_close)(FILE *fh);
YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
int include_stack_ptr;
int start_state;
} DiamDict_scanner_state_t;
static void ddict_debug(const char* fmt, ...) G_GNUC_PRINTF(1, 2);
static void append_to_buffer(const char* txt, unsigned len, DiamDict_scanner_state_t *statep);
static FILE* ddict_open(const char*, const char*);
/*
* Sleazy hack to suppress compiler warnings in yy_fatal_error().
*/
#define YY_EXIT_FAILURE ((void)yyscanner, 2)
/*
* Macros for the allocators, to discard the extra argument.
*/
#define DiamDict_alloc(size, yyscanner) (void *)malloc(size)
#define DiamDict_realloc(ptr, size, yyscanner) (void *)realloc((char *)(ptr), (size))
#define DiamDict_free(ptr, yyscanner) free((char *)ptr)
%}
xmlpi_start [[:blank:] \r\n]*<\?[[:blank:] \r\n]*
xmlpi_end [[:blank:] \r\n]*\?>[[:blank:] \r\n]*
xmlpi_key_attr [[:blank:] \r\n]*key[[:blank:] \r\n]*=[[:blank:] \r\n]*\042
xmlpi_value_attr [[:blank:] \r\n]*value[[:blank:] \r\n]*=[[:blank:] \r\n]*\042
comment_start [[:blank:] \r\n]*<!--[[:blank:] \r\n]*
comment_end [[:blank:] \r\n]*-->[[:blank:] \r\n]*
open_tag [[:blank:] \r\n]*<[[:blank:] \r\n]*
end_tag [[:blank:] \r\n]*\/>[[:blank:] \r\n]*
close_tag [[:blank:] \r\n]*>[[:blank:] \r\n]*
open_closetag [[:blank:] \r\n]*<\/[[:blank:] \r\n]*
equals [[:blank:] \r\n]*=[[:blank:] \r\n]*
whitespace [[:blank:] \r\n]*
dquoted \042[^\042]*\042
doctype [[:blank:] \r\n]*<!DOCTYPE[^\[]*\[[[:blank:] \r\n]*
doctype_end [[:blank:] \r\n]*\][[:blank:] \r\n]*>[[:blank:] \r\n]*
start_entity [[:blank:] \r\n]*<\!ENTITY[[:blank:] \r\n]*
system [[:blank:] \r\n]*SYSTEM[[:blank:] \r\n]*\042
entityname [a-z0-9-]+
ndquot [^\042]+
end_entity \042[[:blank:] \r\n]*>[[:blank:] \r\n]*
entity \&[a-z0-9-]+;
any .
stop >
stop_end \/>
dquot \042
number [-]?[0-9]*
dictionary_start <dictionary>
dictionary_end <\/dictionary>
base_start <base[^>*]*>
base_end <\/base>
application_start <application
application_end<\/application>
command_start <command
command_end<\/command>
typedefn_start <typedefn
avp_start <avp
avp_end <\/avp>
type_start <type
enum_start <enum
grouped_start <grouped>
grouped_end <\/grouped>
vendor_start <vendor
vendor_end<\/vendor>
gavp_start <gavp
ignored_attr [a-z0-9-]+=
ignored_quoted \042[^\042]*\042
name_attr name=\042
id_attr id=\042
code_attr code=\042
vendor_attr vendor-id=\042
typename_attr type-name=\042
typeparent_attr type-parent=\042
description_attr description=\042
%S LOADING LOADING_COMMENT LOADING_XMLPI ENTITY GET_SYSTEM GET_FILE END_ENTITY
%S GET_ATTR GET_UINT_ATTR END_ATTR OUTSIDE IN_DICT IN_APPL IN_AVP APPL_ATTRS IGNORE_ATTR
%S TYPE_ATTRS GAVP_ATTRS ENUM_ATTRS AVP_ATTRS VENDOR_ATTRS COMMAND_ATTRS TYPEDEFN_ATTRS
%S XMLPI_ATTRS XMLPI_GETKEY XMLPI_GETVAL XMLPI_ENDATTR
%%
<LOADING>{doctype} ;
<LOADING>{doctype_end} ;
<LOADING>{comment_start} BEGIN LOADING_COMMENT;
<LOADING_COMMENT>. ;
<LOADING_COMMENT>{comment_end} BEGIN LOADING;
<LOADING>{xmlpi_start} BEGIN LOADING_XMLPI;
<LOADING_XMLPI>{whitespace} ;
<LOADING_XMLPI>{entityname} {
yyextra->xmlpi = g_new(ddict_xmlpi_t,1);
yyextra->xmlpi->name = g_strdup(yytext);
yyextra->xmlpi->key = NULL;
yyextra->xmlpi->value = NULL;
yyextra->xmlpi->next = NULL;
if (!yyextra->dict->xmlpis)
yyextra->last_xmlpi = yyextra->dict->xmlpis = yyextra->xmlpi;
else
yyextra->last_xmlpi = yyextra->last_xmlpi->next = yyextra->xmlpi;
BEGIN XMLPI_ATTRS;
}
<XMLPI_ATTRS>{xmlpi_key_attr} BEGIN XMLPI_GETKEY;
<XMLPI_GETKEY>{ndquot} { yyextra->xmlpi->key = g_strdup(yytext); BEGIN XMLPI_ATTRS; }
<XMLPI_ATTRS>{xmlpi_value_attr} BEGIN XMLPI_GETVAL;
<XMLPI_GETVAL>{ndquot} { yyextra->xmlpi->value = g_strdup(yytext); BEGIN XMLPI_ATTRS; }
<XMLPI_ATTRS>.
<XMLPI_ATTRS>{xmlpi_end} BEGIN LOADING;
<LOADING>{start_entity} BEGIN ENTITY;
<ENTITY>{entityname} {
entity_t* e = g_new(entity_t,1);
e->name = g_strdup(yytext);
e->next = yyextra->ents;
yyextra->ents = e;
BEGIN GET_SYSTEM;
};
<GET_SYSTEM>{system} BEGIN GET_FILE;
<GET_FILE>{ndquot} {
yyextra->ents->file = g_strdup(yytext);
BEGIN END_ENTITY;
}
<END_ENTITY>{end_entity} BEGIN LOADING;
<LOADING>{open_tag} APPEND("<",1);
<LOADING>{close_tag} APPEND(">",1);
<LOADING>{end_tag} APPEND("/>",2);
<LOADING>{open_closetag} APPEND("</",2);
<LOADING>{whitespace} APPEND(" ",1);
<LOADING>{dquoted} APPEND(yytext, (unsigned) yyleng);
<LOADING>{equals} APPEND("=",1);
<LOADING>{any} APPEND(yytext, (unsigned) yyleng);
<LOADING>{entity} {
char* p = ++yytext;
entity_t* e;
while(*p != ';') p++;
*p = '\0';
D(("looking for entity: %s\n",yytext));
if ( yyextra->include_stack_ptr >= MAX_INCLUDE_DEPTH ) {
fprintf(stderr, "included files nested to deeply\n");
yyterminate();
}
for (e = yyextra->ents; e; e = e->next) {
if (strcmp(e->name,yytext) == 0) {
yyin = ddict_open(yyextra->sys_dir,e->file);
D(("entity: %s filename: %s yyin: %p\n",e->name,e->file,(void*)yyin));
if (!yyin) {
if (errno)
fprintf(stderr, "Could not open file: '%s', error: %s\n", e->file, g_strerror(errno) );
else
fprintf(stderr, "Could not open file: '%s', error unknown (errno == 0)\n", e->file );
yyterminate();
} else {
yyextra->include_stack[yyextra->include_stack_ptr++] = YY_CURRENT_BUFFER;
yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE, yyscanner), yyscanner);
BEGIN LOADING;
}
break;
}
}
if (!e) {
fprintf(stderr, "Could not find entity: '%s'\n", yytext );
yyterminate();
}
}
<<EOF>> {
if (!yyin) yyterminate();
yyextra->current_close(yyin);
D(("closing: %p %i\n",(void*)yyin,yyextra->include_stack_ptr));
if ( --yyextra->include_stack_ptr < 0 ) {
D(("DONE READING\n"));
yyin = NULL;
yyterminate();
} else {
yy_delete_buffer( YY_CURRENT_BUFFER, yyscanner);
yy_switch_to_buffer(yyextra->include_stack[yyextra->include_stack_ptr], yyscanner);
BEGIN LOADING;
}
}
<GET_ATTR>{ndquot} {
*(yyextra->attr_str) = g_strdup(yytext);
D(("%s\n",yytext));
yyextra->attr_str = NULL;
BEGIN END_ATTR;
}
<GET_UINT_ATTR>{number} {
*(yyextra->attr_uint) = (unsigned) strtoul(yytext,NULL,10);
D(("%s\n",yytext););
yyextra->attr_uint = NULL;
BEGIN END_ATTR;
}
<END_ATTR>{dquot} { yy_pop_state(yyscanner); }
<IGNORE_ATTR>. {
/* XXX: should go?*/
D(("{%s}",yytext));
}
<IGNORE_ATTR>{ignored_quoted} {
D(("=>%s<=\n",yytext));
yy_pop_state(yyscanner);
}
<OUTSIDE>{dictionary_start} {
D(("dictionary_start\n"));
BEGIN IN_DICT;
}
<IN_DICT>{base_start} {
D(("base_start\n"));
BEGIN IN_APPL;
}
<IN_DICT>{application_start} {
D(("application_start\n"));
yyextra->appl = g_new(ddict_application_t,1);
yyextra->appl->name = NULL;
yyextra->appl->code = 0;
yyextra->appl->next = NULL;
if (!yyextra->dict->applications)
yyextra->last_appl = yyextra->dict->applications = yyextra->appl;
else
yyextra->last_appl = yyextra->last_appl->next = yyextra->appl;
BEGIN APPL_ATTRS;
}
<APPL_ATTRS>{name_attr} { ATTR_STR(yyextra->appl->name); }
<APPL_ATTRS>{id_attr} { ATTR_UINT(yyextra->appl->code); }
<APPL_ATTRS>{stop} BEGIN IN_APPL;
<APPL_ATTRS>{stop_end} BEGIN IN_DICT;
<IN_APPL>{command_end} ;
<IN_APPL>{command_start} {
D(("command_start\n"));
yyextra->cmd = g_new(ddict_cmd_t,1);
yyextra->cmd->name = NULL;
yyextra->cmd->vendor = NULL;
yyextra->cmd->code = 0;
yyextra->cmd->next = NULL;
if (!yyextra->dict->cmds)
yyextra->last_cmd = yyextra->dict->cmds = yyextra->cmd;
else
yyextra->last_cmd = yyextra->last_cmd->next = yyextra->cmd;
BEGIN COMMAND_ATTRS;
}
<COMMAND_ATTRS>{name_attr} { ATTR_STR(yyextra->cmd->name); }
<COMMAND_ATTRS>{vendor_attr} { ATTR_STR(yyextra->cmd->vendor); }
<COMMAND_ATTRS>{code_attr} { ATTR_UINT(yyextra->cmd->code); }
<COMMAND_ATTRS>{stop} |
<COMMAND_ATTRS>{stop_end} { BEGIN IN_APPL; }
<IN_DICT>{vendor_start} {
D(("vendor_start\n"));
yyextra->vnd = g_new(ddict_vendor_t,1);
yyextra->vnd->name = NULL;
yyextra->vnd->code = 0;
yyextra->vnd->next = NULL;
if (!yyextra->dict->vendors)
yyextra->last_vnd = yyextra->dict->vendors = yyextra->vnd;
else
yyextra->last_vnd = yyextra->last_vnd->next = yyextra->vnd;
BEGIN VENDOR_ATTRS;
}
<VENDOR_ATTRS>{name_attr} { ATTR_STR(yyextra->vnd->desc); }
<VENDOR_ATTRS>{vendor_attr} { ATTR_STR(yyextra->vnd->name); }
<VENDOR_ATTRS>{code_attr} { ATTR_UINT(yyextra->vnd->code); }
<VENDOR_ATTRS>{stop} { BEGIN IN_APPL; }
<VENDOR_ATTRS>{stop_end} { BEGIN IN_DICT; }
<IN_APPL>{typedefn_start} {
D(("typedefn_start\n"));
yyextra->typedefn = g_new(ddict_typedefn_t,1);
yyextra->typedefn->name = NULL;
yyextra->typedefn->parent = NULL;
yyextra->typedefn->next = NULL;
if (!yyextra->dict->typedefns)
yyextra->last_typedefn = yyextra->dict->typedefns = yyextra->typedefn;
else
yyextra->last_typedefn = yyextra->last_typedefn->next = yyextra->typedefn;
BEGIN TYPEDEFN_ATTRS;
}
<TYPEDEFN_ATTRS>{typename_attr} { ATTR_STR(yyextra->typedefn->name); }
<TYPEDEFN_ATTRS>{typeparent_attr} { ATTR_STR(yyextra->typedefn->parent); }
<TYPEDEFN_ATTRS>{stop} |
<TYPEDEFN_ATTRS>{stop_end} { BEGIN IN_APPL; }
<IN_APPL>{avp_start} {
D(("avp_start\n"));
yyextra->avp = g_new(ddict_avp_t,1);
yyextra->avp->name = NULL;
yyextra->avp->description = NULL;
yyextra->avp->vendor = NULL;
yyextra->avp->code = 0;
yyextra->avp->type = NULL;
yyextra->avp->enums = NULL;
yyextra->avp->gavps = NULL;
yyextra->avp->next = NULL;
if (! yyextra->dict->avps )
yyextra->last_avp = yyextra->dict->avps = yyextra->avp;
else
yyextra->last_avp = yyextra->last_avp->next = yyextra->avp;
BEGIN AVP_ATTRS;
}
<AVP_ATTRS>{name_attr} { ATTR_STR(yyextra->avp->name); }
<AVP_ATTRS>{description_attr} { ATTR_STR(yyextra->avp->description); }
<AVP_ATTRS>{vendor_attr} { ATTR_STR(yyextra->avp->vendor); }
<AVP_ATTRS>{code_attr} { ATTR_UINT(yyextra->avp->code); }
<AVP_ATTRS>{stop} { BEGIN IN_AVP; }
<AVP_ATTRS>{stop_end} { BEGIN IN_APPL; }
<IN_AVP>{grouped_start} { yyextra->avp->type = g_strdup("Grouped"); };
<IN_AVP>{grouped_end} ;
<IN_AVP>{type_start} { BEGIN TYPE_ATTRS; }
<TYPE_ATTRS>{typename_attr} { ATTR_STR(yyextra->avp->type); }
<IN_AVP>{gavp_start} {
D(("gavp_start\n"));
yyextra->gavp = g_new(ddict_gavp_t,1);
yyextra->gavp->name = NULL;
yyextra->gavp->code = 0;
yyextra->gavp->next = NULL;
if (!yyextra->avp->gavps)
yyextra->last_gavp = yyextra->avp->gavps = yyextra->gavp;
else
yyextra->last_gavp = yyextra->last_gavp->next = yyextra->gavp;
BEGIN GAVP_ATTRS;
}
<GAVP_ATTRS>{name_attr} { ATTR_STR(yyextra->gavp->name); }
<IN_AVP>{enum_start} {
D(("enum_start\n"));
yyextra->enumitem = g_new(ddict_enum_t,1);
yyextra->enumitem->name = NULL;
yyextra->enumitem->code = 0;
yyextra->enumitem->next = NULL;
if (!yyextra->avp->enums)
yyextra->last_enumitem = yyextra->avp->enums = yyextra->enumitem;
else
yyextra->last_enumitem = yyextra->last_enumitem->next = yyextra->enumitem;
BEGIN ENUM_ATTRS;
}
<ENUM_ATTRS>{name_attr} { ATTR_STR(yyextra->enumitem->name); }
<ENUM_ATTRS>{code_attr} { ATTR_UINT(yyextra->enumitem->code); }
<TYPE_ATTRS,GAVP_ATTRS,ENUM_ATTRS>{stop} { BEGIN IN_AVP; }
<TYPE_ATTRS,GAVP_ATTRS,ENUM_ATTRS>{stop_end} { BEGIN IN_AVP; }
<IN_AVP>{avp_end} { D(("avp_end\n")); BEGIN IN_APPL; }
<IN_APPL>{application_end} {
D(("application_end\n")); BEGIN IN_DICT;
}
<IN_APPL>{stop_end} {
D(("application_stop_end\n")); BEGIN IN_DICT;
}
<IN_APPL>{vendor_end} {
D(("vendor_end\n")); BEGIN IN_DICT;
}
<IN_APPL>{base_end} {
D(("base_end\n")); BEGIN IN_DICT;
}
<IN_DICT>{dictionary_end} {
yyterminate();
}
<AVP_ATTRS,ENUM_ATTRS,GAVP_ATTRS,TYPE_ATTRS,TYPEDEFN_ATTRS,VENDOR_ATTRS,APPL_ATTRS,COMMAND_ATTRS>{ignored_attr} IGNORE();
<OUTSIDE>. ;
%%
/*
* Turn diagnostics back on, so we check the code that we've written.
*/
DIAG_ON_FLEX()
static int debugging = 0;
static void ddict_debug(const char* fmt, ...) {
va_list ap;
va_start(ap, fmt);
if (debugging) vfprintf(stderr, fmt, ap);
va_end(ap);
fflush(stderr);
}
/*
* Sleazy hack to avoid unused function warnings for yy_top_state.
*/
extern void ddict_unused(yyscan_t yyscanner);
void
ddict_unused(yyscan_t yyscanner)
{
yy_top_state(yyscanner);
}
static void
append_to_buffer(const char* txt, unsigned len, DiamDict_scanner_state_t *statep)
{
if (statep->strbuf == NULL) {
statep->strbuf = (char*)g_malloc(statep->size_strbuf);
statep->read_ptr = statep->strbuf;
statep->write_ptr = statep->strbuf;
}
if (statep->len_strbuf + len >= statep->size_strbuf) {
statep->strbuf = (char*)g_realloc(statep->strbuf,statep->size_strbuf *= 2);
statep->read_ptr = statep->strbuf;
}
statep->write_ptr = statep->strbuf + statep->len_strbuf;
memcpy(statep->write_ptr, txt, len + 1);
statep->len_strbuf += len;
}
static size_t
file_input(char* buf, size_t max, yyscan_t scanner)
{
FILE *in = yyget_in(scanner);
size_t read_cnt;
read_cnt = fread(buf,1,max,in);
if ( read_cnt == max ) {
return max;
} else if (read_cnt > 0) {
return read_cnt;
} else {
return YY_NULL;
}
}
static size_t
string_input(char* buf, size_t max, yyscan_t scanner)
{
DiamDict_scanner_state_t *statep = yyget_extra(scanner);
if (statep->read_ptr >= statep->write_ptr ) {
return YY_NULL;
} else if ( statep->read_ptr + max > statep->write_ptr ) {
max = statep->write_ptr - statep->read_ptr;
}
memcpy(buf,statep->read_ptr,max);
statep->read_ptr += max;
return max;
}
/*
* If we're reading from a string, yyin is set to stdin, and we don't
* want to close that.
*/
static int
string_close(FILE *fh _U_)
{
return 0;
}
static FILE *
ddict_open(const char* system_directory, const char* filename)
{
FILE* fh;
char* fname;
if (system_directory) {
fname = ws_strdup_printf("%s" G_DIR_SEPARATOR_S "%s",
system_directory,filename);
} else {
fname = g_strdup(filename);
}
fh = ws_fopen(fname,"r");
D(("fname: %s fh: %p\n",fname,(void*)fh));
g_free(fname);
return fh;
}
ddict_t *
ddict_scan(const char* system_directory, const char* filename, int dbg)
{
DiamDict_scanner_state_t state;
FILE *in;
yyscan_t scanner;
debugging = dbg;
state.sys_dir = system_directory;
state.write_ptr = NULL;
state.read_ptr = NULL;
state.strbuf = NULL;
state.size_strbuf = 8192;
state.len_strbuf = 0;
state.dict = g_new(ddict_t,1);
state.dict->applications = NULL;
state.dict->vendors = NULL;
state.dict->cmds = NULL;
state.dict->typedefns = NULL;
state.dict->avps = NULL;
state.dict->xmlpis = NULL;
state.appl = NULL;
state.avp = NULL;
state.enumitem = NULL;
state.gavp = NULL;
state.typedefn = NULL;
state.cmd = NULL;
state.vnd = NULL;
state.xmlpi = NULL;
state.last_appl = NULL;
state.last_avp = NULL;
state.last_enumitem = NULL;
state.last_gavp = NULL;
state.last_typedefn = NULL;
state.last_cmd = NULL;
state.last_vnd = NULL;
state.last_xmlpi = NULL;
state.ents = NULL;
state.attr_str = NULL;
state.attr_uint = NULL;
/*
* Pass 1.
*
* Reads the file, does some work, and stores a modified version
* of the file contents in memory.
*/
state.current_yyinput = file_input;
state.current_close = fclose;
state.include_stack_ptr = 0;
in = ddict_open(system_directory,filename);
if (in == NULL) {
D(("unable to open %s: %s\n", filename, g_strerror(errno)));
g_free(state.dict);
return NULL;
}
if (DiamDict_lex_init(&scanner) != 0) {
/* Note: cannot be reached since memory allocation failure terminates early */
D(("Can't initialize scanner: %s\n", g_strerror(errno)));
fclose(in);
g_free(state.dict);
return NULL;
}
DiamDict_set_in(in, scanner);
/* Associate the state with the scanner */
DiamDict_set_extra(&state, scanner);
state.start_state = LOADING;
DiamDict_lex(scanner);
DiamDict_lex_destroy(scanner);
/*
* XXX - can the lexical analyzer terminate without closing
* all open input files?
*/
D(("\n---------------\n%s\n------- %u -------\n",state.strbuf,state.len_strbuf));
/*
* Pass 2.
*
* Reads the modified version of the file contents and does the
* rest of the work.
*/
state.current_yyinput = string_input;
state.current_close = string_close;
if (DiamDict_lex_init(&scanner) != 0) {
/* Note: cannot be reached since memory allocation failure terminates early */
D(("Can't initialize scanner: %s\n", g_strerror(errno)));
g_free(state.dict);
g_free(state.strbuf);
return NULL;
}
/* Associate the state with the scanner */
DiamDict_set_extra(&state, scanner);
state.start_state = OUTSIDE;
DiamDict_lex(scanner);
DiamDict_lex_destroy(scanner);
{
entity_t *e, *en;
for (e = state.ents; e; e = en) {
en = e->next;
g_free(e->name);
g_free(e->file);
g_free(e);
}
}
g_free(state.strbuf);
return state.dict;
}
void
ddict_free(ddict_t* d)
{
ddict_application_t *p, *pn;
ddict_vendor_t *v, *vn;
ddict_cmd_t *c, *cn;
ddict_typedefn_t *t, *tn;
ddict_avp_t *a, *an;
ddict_xmlpi_t *x, *xn;
#define FREE_NAMEANDOBJ(n) do { g_free(n->name); g_free(n); } while(0)
for (p = d->applications; p; p = pn ) {
pn = p->next;
FREE_NAMEANDOBJ(p);
}
for (v = d->vendors; v; v = vn) {
vn = v->next;
g_free(v->desc);
FREE_NAMEANDOBJ(v);
}
for (c = d->cmds; c; c = cn ) {
cn = c->next;
g_free(c->vendor);
FREE_NAMEANDOBJ(c);
}
for (t = d->typedefns; t; t = tn) {
tn = t->next;
g_free(t->parent);
FREE_NAMEANDOBJ(t);
}
for (a = d->avps; a; a = an) {
ddict_gavp_t* g, *gn;
ddict_enum_t* e, *en;
an = a->next;
for (g = a->gavps; g; g = gn) {
gn = g->next;
FREE_NAMEANDOBJ(g);
}
for (e = a->enums; e; e = en) {
en = e->next;
FREE_NAMEANDOBJ(e);
}
g_free(a->vendor);
g_free(a->type);
g_free(a->description);
FREE_NAMEANDOBJ(a);
}
for (x = d->xmlpis; x; x = xn) {
xn = x->next;
g_free(x->key);
g_free(x->value);
FREE_NAMEANDOBJ(x);
}
g_free(d);
}
void
ddict_print(FILE* fh, ddict_t* d)
{
ddict_application_t* p;
ddict_vendor_t* v;
ddict_cmd_t* c;
ddict_typedefn_t* t;
ddict_avp_t* a;
for (p = d->applications; p; p = p->next) {
fprintf(fh,"Application: %s[%u]:\n",
p->name ? p->name : "-",
p->code);
}
for (v = d->vendors; v; v = v->next) {
fprintf(fh,"Vendor: %s[%u]:\n",
v->name ? v->name : "-",
v->code);
}
for (c = d->cmds; c; c = c->next) {
fprintf(fh,"Command: %s[%u] \n",
c->name ? c->name : "-",
c->code);
}
for (t = d->typedefns; t; t = t->next) {
fprintf(fh,"Type: %s -> %s \n",
t->name ? t->name : "-",
t->parent ? t->parent : "" );
}
for (a = d->avps; a; a = a->next) {
ddict_gavp_t* g;
ddict_enum_t* e;
fprintf(fh,"AVP: %s[%u:%s] %s %s\n",
a->name ? a->name : "-",
a->code,
a->vendor ? a->vendor : "None",
a->type ? a->type : "-",
a->description ? a->description : "");
for (g = a->gavps; g; g = g->next) {
fprintf(fh,"\tGAVP: %s\n",
g->name ? g->name : "-" );
}
for (e = a->enums; e; e = e->next) {
fprintf(fh,"\tEnum: %s[%u]\n",
e->name ? e->name : "-",
e->code);
}
}
}
#ifdef TEST_DIAM_DICT_STANDALONE
int
main(int argc, char** argv)
{
ddict_t* d;
char* dname = NULL;
char* fname;
int i = 1;
switch (argc) {
case 3:
dname = argv[i++];
case 2:
fname = argv[i];
break;
default:
fprintf(stderr,"%s: usage [dictionary_dir] dictionary_filename\n",argv[0]);
return 1;
}
d = ddict_scan(dname,fname,1);
if (d == NULL) {
fprintf(stderr, "Can't open dictionary\n");
return 2;
}
ddict_print(stdout, d);
return 0;
}
#endif