![Guy Harris](/assets/img/avatar_default.png)
Change-Id: I9b345ee28a59596369efac8bdd0a51447d723017 Reviewed-on: https://code.wireshark.org/review/14803 Reviewed-by: Guy Harris <guy@alum.mit.edu>
868 lines
21 KiB
Text
868 lines
21 KiB
Text
/*
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* We want a reentrant scanner.
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*/
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%option reentrant
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/*
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* We don't use input, so don't generate code for it.
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*/
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%option noinput
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/*
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* We don't use unput, so don't generate code for it.
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*/
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%option nounput
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/*
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* We don't read interactively from the terminal.
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*/
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%option never-interactive
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/*
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* We want to stop processing when we get to the end of the input.
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*/
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%option noyywrap
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/*
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* The type for the state we keep for a scanner.
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*/
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%option extra-type="WimaxasncpDict_scanner_state_t *"
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/*
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* We have to override the memory allocators so that we don't get
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* "unused argument" warnings from the yyscanner argument (which
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* we don't use, as we have a global memory allocator).
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*
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* We provide, as macros, our own versions of the routines generated by Flex,
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* which just call malloc()/realloc()/free() (as the Flex versions do),
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* discarding the extra argument.
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*/
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%option noyyalloc
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%option noyyrealloc
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%option noyyfree
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/*
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* The language we're scanning is case-insensitive.
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*/
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%option caseless
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/*
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* We use start condition stacks.
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*/
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%option stack
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/*
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* Prefix scanner routines with "WimaxasncpDict_" rather than "yy", so this
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* scanner can coexist with other scanners.
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*/
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%option prefix="WimaxasncpDict_"
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%option outfile="wimaxasncp_dict.c"
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%{
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/*
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** wimaxasncp_dict.h
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** WIMAXASNCP Dictionary Import Routines
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**
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** (c) 2007, Luis E. Garcia Ontanon <luis@ontanon.org>
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** (c) 2007, Stephen Croll <stephen.d.croll@gmail.com>
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**
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** This library is free software; you can redistribute it and/or
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** modify it under the terms of the GNU Library General Public
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** License as published by the Free Software Foundation; either
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** version 2 of the License, or (at your option) any later version.
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**
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** This library is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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** Library General Public License for more details.
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**
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** You should have received a copy of the GNU Library General Public
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** License along with this library; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor,
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** Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include <glib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <epan/value_string.h>
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#include <epan/packet.h> /* array_length */
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#include <wsutil/file_util.h>
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#include "wimaxasncp_dict.h"
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typedef struct entity_t {
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gchar *name;
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gchar *file;
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struct entity_t *next;
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} entity_t;
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#define ATTR_UINT(cont) do { D(("attr_uint " #cont "\t" )); yyextra->attr_uint = &(cont); yy_push_state(GET_UINT_ATTR, yyscanner); } while(0)
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#define ATTR_UINT16(cont) do { D(("attr_uint16 " #cont "\t" )); yyextra->attr_uint16 = &(cont); yy_push_state(GET_UINT16_ATTR, yyscanner); } while(0)
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#define ATTR_STR(cont) do { D(("attr_str " #cont "\t" )); yyextra->attr_str = &(cont); yy_push_state(GET_ATTR, yyscanner); } while(0)
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#define ATTR_DECODER(cont) do { D(("attr_decoder " #cont "\t" )); yyextra->attr_uint = &(cont); yy_push_state(GET_DECODER_ATTR, yyscanner); } while(0)
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#define WIMAXASNCP_IGNORE() do { D(("ignore: %s\t",yytext)); yy_push_state(IGNORE_ATTR, yyscanner); } while(0)
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#define D(args) wimaxasncp_dict_debug args
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#define MAX_INCLUDE_DEPTH 10
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#define YY_INPUT(buf,result,max_size) { result = yyextra->current_yyinput(buf,max_size,yyscanner); }
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#define YY_USER_INIT { \
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WimaxasncpDict_scanner_state_t *scanner_state = WimaxasncpDict_get_extra(yyscanner); \
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BEGIN(scanner_state->start_state); \
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}
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#define ECHO
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#define APPEND(txt,len) append_to_buffer(txt,(int)len,yyextra)
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typedef struct {
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GString *dict_error;
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const gchar *sys_dir;
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gchar *strbuf;
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guint size_strbuf;
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guint len_strbuf;
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gchar *write_ptr;
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gchar *read_ptr;
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wimaxasncp_dict_t *dict;
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wimaxasncp_dict_tlv_t *tlv;
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wimaxasncp_dict_enum_t *enumitem;
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wimaxasncp_dict_xmlpi_t *xmlpi;
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wimaxasncp_dict_tlv_t *last_tlv;
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wimaxasncp_dict_enum_t *last_enumitem;
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wimaxasncp_dict_xmlpi_t *last_xmlpi;
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entity_t *ents;
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YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
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int include_stack_ptr;
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size_t (*current_yyinput)(gchar*,size_t,yyscan_t);
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gchar **attr_str;
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guint *attr_uint;
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gint16 *attr_uint16;
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int start_state;
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} WimaxasncpDict_scanner_state_t;
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static guint wimaxasncp_bits(guint bits, char *n);
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static gint wimaxasncp_decode_type(const gchar *name);
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static void wimaxasncp_dict_debug(const gchar *fmt, ...) G_GNUC_PRINTF(1, 2);
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static void append_to_buffer(const gchar *txt, int len, WimaxasncpDict_scanner_state_t *state);
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static FILE *wimaxasncp_dict_open(const gchar*, const gchar*);
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/*
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* Sleazy hack to suppress compiler warnings in yy_fatal_error().
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*/
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#define YY_EXIT_FAILURE ((void)yyscanner, 2)
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/*
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* Macros for the allocators, to discard the extra argument.
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*/
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#define WimaxasncpDict_alloc(size, yyscanner) (void *)malloc(size)
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#define WimaxasncpDict_realloc(ptr, size, yyscanner) (void *)realloc((char *)(ptr), (size))
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#define WimaxasncpDict_free(ptr, yyscanner) free((char *)ptr)
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%}
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xmlpi_start [[:blank:] \r\n]*<\?[[:blank:] \r\n]*
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xmlpi_end [[:blank:] \r\n]*\?>[[:blank:] \r\n]*
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xmlpi_key_attr [[:blank:] \r\n]*key[[:blank:] \r\n]*=[[:blank:] \r\n]*\042
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xmlpi_value_attr [[:blank:] \r\n]*value[[:blank:] \r\n]*=[[:blank:] \r\n]*\042
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comment_start [[:blank:] \r\n]*<!--[[:blank:] \r\n]*
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comment_end [[:blank:] \r\n]*-->[[:blank:] \r\n]*
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open_tag [[:blank:] \r\n]*<[[:blank:] \r\n]*
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end_tag [[:blank:] \r\n]*\/>[[:blank:] \r\n]*
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close_tag [[:blank:] \r\n]*>[[:blank:] \r\n]*
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open_closetag [[:blank:] \r\n]*<\/[[:blank:] \r\n]*
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equals [[:blank:] \r\n]*=[[:blank:] \r\n]*
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whitespace [[:blank:] \r\n]*
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dquoted \042[^\042]*\042
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doctype [[:blank:] \r\n]*<!DOCTYPE[^\[]*\[[[:blank:] \r\n]*
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doctype_end [[:blank:] \r\n]*\][[:blank:] \r\n]*>[[:blank:] \r\n]*
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start_entity [[:blank:] \r\n]*<\!ENTITY[[:blank:] \r\n]*
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system [[:blank:] \r\n]*SYSTEM[[:blank:] \r\n]*\042
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entityname [a-z0-9-]+
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ndquot [^\042]+
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end_entity \042[[:blank:] \r\n]*>[[:blank:] \r\n]*
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entity \&[a-z0-9-]+;
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any .
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stop >
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stop_end \/>
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dquot \042
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number [-]?[0-9]*|(0x)?[0-9a-fA-F]*
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dictionary_start <dictionary>
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dictionary_end <\/dictionary>
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tlv_start <tlv
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tlv_end <\/tlv>
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type_start <type
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enum_start <enum
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ignored_attr [a-z0-9-]+=
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ignored_quoted \042[^\042]*\042
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name_attr name=\042
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type_attr type=\042
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code_attr code=\042
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typename_attr type-name=\042
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description_attr description=\042
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decoder_attr decoder=\042
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since_attr since=\042
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%S LOADING LOADING_COMMENT LOADING_XMLPI ENTITY GET_SYSTEM GET_FILE END_ENTITY
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%S GET_ATTR GET_UINT_ATTR GET_UINT16_ATTR
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%S BIT32 BIT16 BIT8 GET_DECODER_ATTR END_ATTR
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%S OUTSIDE IN_DICT IN_APPL IN_TLV IGNORE_ATTR
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%S ENUM_ATTRS TLV_ATTRS
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%S XMLPI_ATTRS XMLPI_GETKEY XMLPI_GETVAL XMLPI_ENDATTR
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%%
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<LOADING>{doctype} ;
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<LOADING>{doctype_end} ;
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<LOADING>{comment_start} BEGIN LOADING_COMMENT;
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<LOADING_COMMENT>. ;
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<LOADING_COMMENT>{comment_end} BEGIN LOADING;
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<LOADING>{xmlpi_start} BEGIN LOADING_XMLPI;
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<LOADING_XMLPI>{whitespace} ;
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<LOADING_XMLPI>{entityname} {
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yyextra->xmlpi = g_new(wimaxasncp_dict_xmlpi_t,1);
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yyextra->xmlpi->name = g_strdup(yytext);
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yyextra->xmlpi->key = NULL;
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yyextra->xmlpi->value = NULL;
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yyextra->xmlpi->next = NULL;
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if (!yyextra->dict->xmlpis) yyextra->last_xmlpi = yyextra->dict->xmlpis = yyextra->xmlpi;
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else yyextra->last_xmlpi = yyextra->last_xmlpi->next = yyextra->xmlpi;
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BEGIN XMLPI_ATTRS;
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}
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<XMLPI_ATTRS>{xmlpi_key_attr} BEGIN XMLPI_GETKEY;
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<XMLPI_GETKEY>{ndquot} { yyextra->xmlpi->key = g_strdup(yytext); BEGIN XMLPI_ATTRS; }
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<XMLPI_ATTRS>{xmlpi_value_attr} BEGIN XMLPI_GETVAL;
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<XMLPI_GETVAL>{ndquot} { yyextra->xmlpi->value = g_strdup(yytext); BEGIN XMLPI_ATTRS; }
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<XMLPI_ATTRS>.
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<XMLPI_ATTRS>{xmlpi_end} BEGIN LOADING;
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<LOADING>{start_entity} BEGIN ENTITY;
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<ENTITY>{entityname} {
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entity_t *e = g_new(entity_t,1);
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D(("ENTITY: %s\n",yytext));
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e->name = g_strdup(yytext);
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e->next = yyextra->ents;
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yyextra->ents = e;
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BEGIN GET_SYSTEM;
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};
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<GET_SYSTEM>{system} BEGIN GET_FILE;
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<GET_FILE>{ndquot} {
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D(("GET_FILE: %s\n",yytext));
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yyextra->ents->file = g_strdup(yytext);
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BEGIN END_ENTITY;
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}
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<END_ENTITY>{end_entity} BEGIN LOADING;
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<LOADING>{open_tag} APPEND("<",1);
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<LOADING>{close_tag} APPEND(">",1);
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<LOADING>{end_tag} APPEND("/>",2);
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<LOADING>{open_closetag} APPEND("</",2);
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<LOADING>{whitespace} APPEND(" ",1);
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<LOADING>{dquoted} APPEND(yytext,yyleng);
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<LOADING>{equals} APPEND("=",1);
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<LOADING>{any} APPEND(yytext,yyleng);
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<LOADING,IN_DICT>{entity} {
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gchar *p = ++yytext, *temp_str;
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entity_t* e;
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while(*p != ';') p++;
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*p = '\0';
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D(("looking for entity: %s\n",yytext));
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if ( yyextra->include_stack_ptr >= MAX_INCLUDE_DEPTH ) {
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yyextra->dict_error = g_string_append(
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yyextra->dict_error, "included files nested too deeply\n");
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yyterminate();
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}
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yyextra->include_stack[yyextra->include_stack_ptr++] = YY_CURRENT_BUFFER;
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for (e = yyextra->ents; e; e = e->next) {
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if (strcmp(e->name,yytext) == 0) {
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yyin = wimaxasncp_dict_open(yyextra->sys_dir,e->file);
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D(("entity: %s filename: %s yyin: %p\n",e->name,e->file,(void*)yyin));
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if (!yyin) {
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yyterminate();
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} else {
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WimaxasncpDict__switch_to_buffer(WimaxasncpDict__create_buffer(yyin, YY_BUF_SIZE, yyscanner), yyscanner);
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}
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break;
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}
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}
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if (!e) {
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temp_str = g_strdup_printf(
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"cannot find entity: '%s'\n", yytext);
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yyextra->dict_error = g_string_append(yyextra->dict_error, temp_str);
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g_free(temp_str);
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yyterminate();
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}
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}
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<<EOF>> {
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if (!yyin) yyterminate();
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fclose(yyin);
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D(("closing: %p %i\n",(void*)yyin,yyextra->include_stack_ptr));
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if ( --yyextra->include_stack_ptr < 0 ) {
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D(("DONE READING\n"));
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yyin = NULL;
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yyterminate();
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} else {
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WimaxasncpDict__delete_buffer(YY_CURRENT_BUFFER, yyscanner);
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WimaxasncpDict__switch_to_buffer(yyextra->include_stack[yyextra->include_stack_ptr], yyscanner);
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BEGIN LOADING;
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}
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}
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<GET_ATTR>{ndquot} {
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*yyextra->attr_str = g_strdup(yytext);
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D(("%s\n",yytext));
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yyextra->attr_str = NULL;
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BEGIN END_ATTR;
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}
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<GET_UINT_ATTR>{number} {
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*yyextra->attr_uint = (guint)strtoul(yytext,NULL,0);
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D(("%s\n",yytext););
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yyextra->attr_uint = NULL;
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BEGIN END_ATTR;
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}
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<GET_UINT16_ATTR>{number} {
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*yyextra->attr_uint16 = (gint16) strtol(yytext,NULL,0);
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D(("%s\n",yytext););
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yyextra->attr_uint16 = NULL;
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BEGIN END_ATTR;
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}
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<GET_UINT_ATTR>"WIMAXASNCP_BIT32"[ \t]*"(" { BEGIN BIT32; }
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<BIT32>[0-9]+ {
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*yyextra->attr_uint = wimaxasncp_bits(32, yytext);
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D(("WIMAXASNCP_BIT32(%s)\n",yytext););
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yyextra->attr_uint = NULL;
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}
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<GET_UINT_ATTR>"WIMAXASNCP_BIT16"[ \t]*"(" { BEGIN BIT16; }
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<BIT16>[0-9]+ {
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*yyextra->attr_uint = wimaxasncp_bits(16, yytext);
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D(("WIMAXASNCP_BIT16(%s)\n",yytext););
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yyextra->attr_uint = NULL;
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}
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<GET_UINT_ATTR>"WIMAXASNCP_BIT8"[ \t]*"(" { BEGIN BIT8; }
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<BIT8>[0-9]+ {
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*yyextra->attr_uint = wimaxasncp_bits(8, yytext);
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D(("WIMAXASNCP_BIT8(%s)\n",yytext););
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yyextra->attr_uint = NULL;
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}
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<BIT32,BIT16,BIT8>[ \t]*")" { BEGIN END_ATTR; }
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<GET_DECODER_ATTR>{ndquot} {
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*yyextra->attr_uint = wimaxasncp_decode_type(yytext);
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D(("%s\n",yytext));
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yyextra->attr_uint = NULL;
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BEGIN END_ATTR;
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}
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<END_ATTR>{dquot} { yy_pop_state(yyscanner); }
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<IGNORE_ATTR>. {
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/* XXX: should go?*/
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D(("{%s}",yytext));
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}
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<IGNORE_ATTR>{ignored_quoted} {
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D(("=>%s<=\n",yytext));
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yy_pop_state(yyscanner);
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}
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<OUTSIDE>{dictionary_start} {
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D(("dictionary_start\n"));
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BEGIN IN_DICT;
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}
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<IN_DICT>{tlv_start} {
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D(("tlv_start\n"));
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yyextra->tlv = g_new(wimaxasncp_dict_tlv_t,1);
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yyextra->tlv->type = 0;
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yyextra->tlv->name = NULL;
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yyextra->tlv->description = NULL;
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yyextra->tlv->decoder = 0;
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yyextra->tlv->since = 0;
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yyextra->tlv->hf_root = -1;
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yyextra->tlv->hf_value = -1;
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yyextra->tlv->hf_ipv4 = -1;
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yyextra->tlv->hf_ipv6 = -1;
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yyextra->tlv->hf_bsid = -1;
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yyextra->tlv->hf_protocol = -1;
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yyextra->tlv->hf_port_low = -1;
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yyextra->tlv->hf_port_high = -1;
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yyextra->tlv->hf_ipv4_mask = -1;
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yyextra->tlv->hf_ipv6_mask = -1;
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yyextra->tlv->hf_vendor_id = -1;
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yyextra->tlv->hf_vendor_rest_of_info = -1;
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yyextra->tlv->enum_vs = NULL;
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yyextra->tlv->enums = NULL;
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yyextra->tlv->next = NULL;
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if (! yyextra->dict->tlvs )
|
|
yyextra->last_tlv = yyextra->dict->tlvs = yyextra->tlv;
|
|
else
|
|
yyextra->last_tlv = yyextra->last_tlv->next = yyextra->tlv;
|
|
|
|
BEGIN TLV_ATTRS;
|
|
}
|
|
|
|
<TLV_ATTRS>{name_attr} { ATTR_STR(yyextra->tlv->name); }
|
|
<TLV_ATTRS>{description_attr} { ATTR_STR(yyextra->tlv->description); }
|
|
<TLV_ATTRS>{type_attr} { ATTR_UINT16(yyextra->tlv->type); }
|
|
<TLV_ATTRS>{decoder_attr} { ATTR_DECODER(yyextra->tlv->decoder); }
|
|
<TLV_ATTRS>{since_attr} { ATTR_UINT(yyextra->tlv->since); }
|
|
<TLV_ATTRS>{stop} { BEGIN IN_TLV; }
|
|
<TLV_ATTRS>{stop_end} { BEGIN IN_DICT; }
|
|
|
|
|
|
<IN_TLV>{enum_start} {
|
|
D(("enum_start\n"));
|
|
|
|
yyextra->enumitem = g_new(wimaxasncp_dict_enum_t,1);
|
|
yyextra->enumitem->name = NULL;
|
|
yyextra->enumitem->code = 0;
|
|
yyextra->enumitem->next = NULL;
|
|
|
|
if (!yyextra->tlv->enums)
|
|
yyextra->last_enumitem = yyextra->tlv->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); }
|
|
|
|
<ENUM_ATTRS>{stop} { BEGIN IN_TLV; }
|
|
<ENUM_ATTRS>{stop_end} { BEGIN IN_TLV; }
|
|
|
|
<IN_TLV>{tlv_end} { D(("tlv_end")); BEGIN IN_DICT; }
|
|
|
|
<IN_DICT>{dictionary_end} {
|
|
yyterminate();
|
|
}
|
|
|
|
<TLV_ATTRS,ENUM_ATTRS>{ignored_attr} WIMAXASNCP_IGNORE();
|
|
|
|
<OUTSIDE>. ;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
%%
|
|
|
|
static int debugging = 0;
|
|
|
|
static void wimaxasncp_dict_debug(const gchar *fmt, ...) {
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
if (debugging) vfprintf(stderr, fmt, ap);
|
|
va_end(ap);
|
|
|
|
fflush(stderr);
|
|
}
|
|
|
|
static guint wimaxasncp_bits(guint bits, char *n)
|
|
{
|
|
return 1u << ((bits - 1) - (strtoul(n, NULL, 10)));
|
|
}
|
|
|
|
static const value_string wimaxasncp_decode_type_vals[] =
|
|
{
|
|
{ WIMAXASNCP_TLV_TBD, "WIMAXASNCP_TLV_TBD"},
|
|
{ WIMAXASNCP_TLV_COMPOUND, "WIMAXASNCP_TLV_COMPOUND"},
|
|
{ WIMAXASNCP_TLV_BYTES, "WIMAXASNCP_TLV_BYTES"},
|
|
{ WIMAXASNCP_TLV_ENUM8, "WIMAXASNCP_TLV_ENUM8"},
|
|
{ WIMAXASNCP_TLV_ENUM16, "WIMAXASNCP_TLV_ENUM16"},
|
|
{ WIMAXASNCP_TLV_ENUM32, "WIMAXASNCP_TLV_ENUM32"},
|
|
{ WIMAXASNCP_TLV_ETHER, "WIMAXASNCP_TLV_ETHER"},
|
|
{ WIMAXASNCP_TLV_ASCII_STRING, "WIMAXASNCP_TLV_ASCII_STRING"},
|
|
{ WIMAXASNCP_TLV_FLAG0, "WIMAXASNCP_TLV_FLAG0"},
|
|
{ WIMAXASNCP_TLV_BITFLAGS8, "WIMAXASNCP_TLV_BITFLAGS8"},
|
|
{ WIMAXASNCP_TLV_BITFLAGS16, "WIMAXASNCP_TLV_BITFLAGS16"},
|
|
{ WIMAXASNCP_TLV_BITFLAGS32, "WIMAXASNCP_TLV_BITFLAGS32"},
|
|
{ WIMAXASNCP_TLV_ID, "WIMAXASNCP_TLV_ID"},
|
|
{ WIMAXASNCP_TLV_HEX8, "WIMAXASNCP_TLV_HEX8"},
|
|
{ WIMAXASNCP_TLV_HEX16, "WIMAXASNCP_TLV_HEX16"},
|
|
{ WIMAXASNCP_TLV_HEX32, "WIMAXASNCP_TLV_HEX32"},
|
|
{ WIMAXASNCP_TLV_DEC8, "WIMAXASNCP_TLV_DEC8"},
|
|
{ WIMAXASNCP_TLV_DEC16, "WIMAXASNCP_TLV_DEC16"},
|
|
{ WIMAXASNCP_TLV_DEC32, "WIMAXASNCP_TLV_DEC32"},
|
|
{ WIMAXASNCP_TLV_IP_ADDRESS, "WIMAXASNCP_TLV_IP_ADDRESS"},
|
|
{ WIMAXASNCP_TLV_IPV4_ADDRESS, "WIMAXASNCP_TLV_IPV4_ADDRESS"},
|
|
{ WIMAXASNCP_TLV_PROTOCOL_LIST, "WIMAXASNCP_TLV_PROTOCOL_LIST"},
|
|
{ WIMAXASNCP_TLV_PORT_RANGE_LIST, "WIMAXASNCP_TLV_PORT_RANGE_LIST"},
|
|
{ WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST,"WIMAXASNCP_TLV_IP_ADDRESS_MASK_LIST"},
|
|
{ WIMAXASNCP_TLV_EAP, "WIMAXASNCP_TLV_EAP"},
|
|
{ WIMAXASNCP_TLV_VENDOR_SPECIFIC, "WIMAXASNCP_TLV_VENDOR_SPECIFIC"},
|
|
{ 0, NULL}
|
|
};
|
|
|
|
static gint wimaxasncp_decode_type(const gchar *name)
|
|
{
|
|
gsize i;
|
|
for (i = 0; i < array_length(wimaxasncp_decode_type_vals) - 1; ++i)
|
|
{
|
|
if (strcmp(name, wimaxasncp_decode_type_vals[i].strptr) == 0)
|
|
{
|
|
return wimaxasncp_decode_type_vals[i].value;
|
|
}
|
|
}
|
|
|
|
/* not found, emit some sort of error here? */
|
|
|
|
return WIMAXASNCP_TLV_TBD;
|
|
}
|
|
|
|
extern void wimaxasncp_dict_unused(yyscan_t yyscanner);
|
|
void wimaxasncp_dict_unused(yyscan_t yyscanner) {
|
|
yy_top_state(yyscanner);
|
|
}
|
|
|
|
static void append_to_buffer(const gchar *txt, int len, WimaxasncpDict_scanner_state_t *state) {
|
|
|
|
if (state->strbuf == NULL) {
|
|
state->read_ptr = state->write_ptr = state->strbuf = (gchar *)g_malloc(state->size_strbuf);
|
|
}
|
|
|
|
if ( (state->len_strbuf + len + 1) >= state->size_strbuf ) {
|
|
state->read_ptr = state->strbuf = (gchar *)g_realloc(state->strbuf,state->size_strbuf *= 2);
|
|
}
|
|
|
|
state->write_ptr = state->strbuf + state->len_strbuf;
|
|
strncpy(state->write_ptr,txt,len);
|
|
state->len_strbuf += len;
|
|
state->strbuf[state->len_strbuf] = '\0';
|
|
}
|
|
|
|
static size_t file_input(gchar *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(gchar *buf, size_t max, yyscan_t scanner) {
|
|
WimaxasncpDict_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;
|
|
}
|
|
|
|
static FILE *wimaxasncp_dict_open(
|
|
const gchar *system_directory,
|
|
const gchar *filename)
|
|
{
|
|
FILE *fh;
|
|
gchar *fname;
|
|
if (system_directory)
|
|
{
|
|
fname = g_strdup_printf("%s%s%s",
|
|
system_directory, G_DIR_SEPARATOR_S,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;
|
|
}
|
|
|
|
wimaxasncp_dict_t *wimaxasncp_dict_scan(
|
|
const gchar *system_directory, const gchar *filename, int dbg,
|
|
gchar **error) {
|
|
|
|
WimaxasncpDict_scanner_state_t state;
|
|
FILE *in;
|
|
yyscan_t scanner;
|
|
entity_t *e;
|
|
|
|
debugging = dbg;
|
|
|
|
state.dict_error = g_string_new("");
|
|
|
|
state.sys_dir = system_directory;
|
|
|
|
state.dict = g_new(wimaxasncp_dict_t,1);
|
|
state.dict->tlvs = NULL;
|
|
state.dict->xmlpis = NULL;
|
|
|
|
state.strbuf = NULL;
|
|
state.size_strbuf = 8192;
|
|
state.len_strbuf = 0;
|
|
|
|
state.write_ptr = NULL;
|
|
state.read_ptr = NULL;
|
|
|
|
state.tlv = NULL;
|
|
state.enumitem = NULL;
|
|
state.xmlpi = NULL;
|
|
|
|
state.last_tlv = NULL;
|
|
state.last_enumitem = NULL;
|
|
state.last_xmlpi = NULL;
|
|
|
|
state.ents = 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.include_stack_ptr = 0;
|
|
|
|
in = wimaxasncp_dict_open(system_directory,filename);
|
|
|
|
if (in == NULL) {
|
|
/*
|
|
* Couldn't open the dictionary.
|
|
*
|
|
* Treat all failures other then ENOENT as errors?
|
|
*/
|
|
*error = NULL;
|
|
return state.dict;
|
|
}
|
|
|
|
if (WimaxasncpDict_lex_init(&scanner) != 0) {
|
|
D(("Can't initialize scanner: %s\n", strerror(errno)));
|
|
fclose(in);
|
|
g_free(state.dict);
|
|
return NULL;
|
|
}
|
|
|
|
WimaxasncpDict_set_in(in, scanner);
|
|
|
|
/* Associate the state with the scanner */
|
|
WimaxasncpDict_set_extra(&state, scanner);
|
|
|
|
state.start_state = LOADING;
|
|
WimaxasncpDict_lex(scanner);
|
|
|
|
WimaxasncpDict_lex_destroy(scanner);
|
|
/*
|
|
* XXX - can the lexical analyzer terminate without closing
|
|
* all open input files?
|
|
*/
|
|
|
|
D(("\n---------------\n%s\n------- %d -------\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;
|
|
|
|
if (WimaxasncpDict_lex_init(&scanner) != 0) {
|
|
D(("Can't initialize scanner: %s\n", strerror(errno)));
|
|
fclose(in);
|
|
g_free(state.dict);
|
|
g_free(state.strbuf);
|
|
return NULL;
|
|
}
|
|
|
|
/* Associate the state with the scanner */
|
|
WimaxasncpDict_set_extra(&state, scanner);
|
|
|
|
state.start_state = OUTSIDE;
|
|
WimaxasncpDict_lex(scanner);
|
|
|
|
WimaxasncpDict_lex_destroy(scanner);
|
|
g_free(state.strbuf);
|
|
|
|
e = state.ents;
|
|
while (e)
|
|
{
|
|
entity_t *next = e->next;
|
|
g_free(e->name);
|
|
g_free(e->file);
|
|
g_free(e);
|
|
e = next;
|
|
}
|
|
|
|
if (state.dict_error->len > 0)
|
|
{
|
|
*error = g_string_free(state.dict_error, FALSE);
|
|
}
|
|
else
|
|
{
|
|
*error = NULL;
|
|
g_string_free(state.dict_error, TRUE);
|
|
}
|
|
return state.dict;
|
|
}
|
|
|
|
void wimaxasncp_dict_free(wimaxasncp_dict_t *d) {
|
|
wimaxasncp_dict_tlv_t *t, *tn;
|
|
|
|
#define FREE_NAMEANDOBJ(n) do { if(n->name) g_free(n->name); g_free(n); } while(0)
|
|
|
|
for (t = d->tlvs; t; t = tn) {
|
|
wimaxasncp_dict_enum_t *e, *en;
|
|
tn = t->next;
|
|
|
|
for (e = t->enums; e; e = en) {
|
|
en = e->next;
|
|
FREE_NAMEANDOBJ(e);
|
|
}
|
|
|
|
if (!t->description) g_free(t->description);
|
|
FREE_NAMEANDOBJ(t);
|
|
}
|
|
|
|
g_free(d);
|
|
}
|
|
|
|
void wimaxasncp_dict_print(FILE *fh, wimaxasncp_dict_t *d) {
|
|
wimaxasncp_dict_tlv_t *tlvp;
|
|
|
|
fprintf(fh,"\n");
|
|
|
|
for (tlvp = d->tlvs; tlvp; tlvp = tlvp->next) {
|
|
wimaxasncp_dict_enum_t *e;
|
|
fprintf(fh,"TLV: %s[%u] %s[%d] %s (since %u)\n",
|
|
tlvp->name ? tlvp->name : "-",
|
|
tlvp->type,
|
|
val_to_str(tlvp->decoder,
|
|
wimaxasncp_decode_type_vals,
|
|
"Unknown"),
|
|
tlvp->decoder,
|
|
tlvp->description ? tlvp->description : "",
|
|
tlvp->since);
|
|
|
|
for (e = tlvp->enums; e; e = e->next) {
|
|
fprintf(fh,"\tEnum: %s[%u]\n",
|
|
e->name ? e->name : "-",
|
|
e->code);
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef TEST_WIMAXASNCP_DICT_STANDALONE
|
|
int main(int argc, char **argv) {
|
|
wimaxasncp_dict_t *d;
|
|
gchar *dname = NULL;
|
|
gchar *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 = wimaxasncp_dict_scan(dname,fname,1,&dict_error);
|
|
|
|
if (dict_error)
|
|
{
|
|
printf("wimaxasncp - %s", dict_error);
|
|
g_free(dict_error);
|
|
}
|
|
|
|
wimaxasncp_dict_print(stdout, d);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|