/**
* Fetches handlers registered for the given suite.
*
* @param suiteId requested suite ID.
* @param result the buffer for Content Handlers result array.
* <br>Use @link jsr211_fillHandlerArray function to fill this structure.
* @return status of the operation
*/
jsr211_result jsr211_find_for_suite(SuiteIdType suiteId,
/*OUT*/ JSR211_RESULT_CHARRAY* result) {
int found_num;
JSR211_CH *res_buffer;
JSR211_CH *current_result, *last;
if (open_table_file(0) != JSR211_OK) {
return JSR211_FAILED;
}
res_buffer = alloc_CH_buffer(JSR211_MAX_RESULT_SET);
if (res_buffer == NULL) {
close_table_file();
return JSR211_FAILED;
}
for (current_result = res_buffer, last = res_buffer + JSR211_MAX_RESULT_SET;
current_result < last;
current_result++) {
if (-1 == find_next_by_suite(suiteId)) {
break;
}
load_current_handler(current_result);
goto_next_record();
}
if ((found_num = (int)(current_result - res_buffer))) {
jsr211_fillHandlerArray(res_buffer, found_num, result);
}
free_CH_buffer(res_buffer, found_num);
close_table_file();
return JSR211_OK;
}
/**
* Loads the handler's data field. Allowed fields are: <UL>
* <LI> JSR211_FIELD_TYPES, <LI> JSR211_FIELD_SUFFIXES,
* <LI> JSR211_FIELD_ACTIONS, <LI> JSR211_FIELD_LOCALES,
* <LI> JSR211_FIELD_ACTION_MAP, <LI> and JSR211_FIELD_ACCESSES. </UL>
*
* @param id requested handler ID.
* @param field_id requested field.
* @param result output structure where requested array is placed to.
* <br>Use @link jsr211_fillStringArray function to fill this structure.
* @return status of the operation
*/
jsr211_result jsr211_get_handler_field(const pcsl_string* id,
jsr211_field field_id,
/*OUT*/ JSR211_RESULT_STRARRAY* result) {
int result_len = 0;
pcsl_string* buf = NULL;
if (record_struct[CHR_INDEX((int)(field_id))] != field_array) {
return JSR211_FAILED;
}
if (open_table_file(0) != JSR211_OK) {
return JSR211_FAILED;
}
if (find_next_by_field(NULL, JSR211_FIELD_ID, id, JSR211_TRUE, find_exact)
== -1) {
close_table_file();
return JSR211_FAILED;
}
/* reading field */
position_field(CHR_INDEX((int)(field_id)));
read_string_array(&result_len, &buf);
if (result_len > 0) {
jsr211_fillStringArray(buf, result_len, result);
free_pcsl_string_list(buf, result_len);
}
close_table_file();
return JSR211_OK;
}
/**
* Store content handler information into a registry.
*
* @param handler description of a registering handler. Implementation MUST NOT
* retain pointed object
* @return JSR211_OK if content handler registered successfully
*/
jsr211_result jsr211_register_handler(const JSR211_content_handler* handler) {
long current_position;
unsigned int record_size = sizeof(int);
if (open_table_file(1) != JSR211_OK) {
return JSR211_FAILED;
}
storagePosition(&io_error_message, table_file,
storageSizeOf(&io_error_message, table_file));
current_position = storageRelativePosition(&io_error_message, table_file, 0);
storageWrite(&io_error_message, table_file, (char *)&record_size,
sizeof(record_size)); /* Placeholder for record size */
record_size += write_string(&(handler->id));
record_size += write_int(handler->flag);
record_size += write_int(handler->suite_id);
record_size += write_string(&(handler->class_name));
record_size += write_string_array(handler->type_num, handler->types);
record_size += write_string_array(handler->suff_num, handler->suffixes);
record_size += write_string_array(handler->act_num, handler->actions);
record_size += write_string_array(handler->locale_num, handler->locales);
record_size += write_string_array(handler->locale_num * handler->act_num,
handler->action_map);
record_size += write_string_array(handler->access_num, handler->accesses);
storagePosition(&io_error_message, table_file, current_position);
storageWrite(&io_error_message, table_file, (char *)&record_size,
sizeof(record_size));
storageRelativePosition(&io_error_message, table_file, record_size -
sizeof(int));
close_table_file();
return JSR211_OK;
}
void WriteTableInit( char *table,
ListNode *reserved,
ListNode *structs,
ListNode *unions)
{ /* DJS Generate a <table>_init.h header file so that the C file
can be compiled separately.
The header file contains the necessary includes and the
prototype for <table>_InitTable().
*/
FILE *initfile = open_table_file( table, INIT_FILE, EXT_C );
fprintf( initfile, "\n"
" /* %s cmodes definition module */\n\n",
table );
fprintf( initfile, "#include \"%s%s%s.%s\"\n\n",
table, FILENAME_SEPERATOR, INIT_FILE, EXT_H);
fprintf( initfile, "extern Table *%s_InitTable()\n{", table);
fprintf( initfile,
" Table *%s_table = CreateTable( \"%s\", %s_%s, %s_%s );\n",
table, table, table, STRUCT_QTY_FRMT, table,
UNION_QTY_FRMT);
WriteElements( initfile, table, reserved, structs);
WriteUnionSorts( initfile, table, unions);
fprintf( initfile, "\n return( %s_table);\n}\n", table);
fclose(initfile);
}
void WriteTokens( char *signature,
char *table,
ListNode *reserved,
ListNode *structs,
ListNode *unions,
ListNode *vec_secs,
ListNode *macros,
ListNode *primitives )
{ FILE *outfile = open_table_file( table, INIT_FILE, EXT_H );
fprintf( outfile, "\n"
" /* Header file for %s cmodes definition module */\n",
table );
sprintf( buffer, "_%s%s%s_%s",
table, FILENAME_SEPERATOR, INIT_FILE, EXT_H );
fprintf( outfile, "\n#ifndef %s\n#define %s\n\n#include \"cmodes.h\"\n\n",
buffer, buffer );
if( signature != NULL )
{ WriteSignature( outfile, table, signature);
}
WriteReservedTokens( outfile, reserved);
WriteStructTokens( outfile, table, structs);
WriteUnionTokens( outfile, table, unions);
WriteVec_SecTokens( outfile, table, reserved, vec_secs);
WriteAccessMacros( outfile, macros );
WritePrimitiveSorts( outfile, primitives );
WriteExterns( outfile, table);
fprintf( outfile, "#endif\n\n" );
fclose(outfile);
}
/**
* Searches content handler using specified key and value.
*
* @param caller_id calling application identifier
* @param key search field id. Valid keys are: <ul>
* <li>JSR211_FIELD_TYPES, <li>JSR211_FIELD_SUFFIXES,
* <li>JSR211_FIELD_ACTIONS. </ul>
* @param value search value
* @param result the buffer for Content Handlers result array.
* <br>Use @link jsr211_fillHandlerArray function to fill this structure.
* @return status of the operation
*/
jsr211_result jsr211_find_handler(const pcsl_string* caller_id,
jsr211_field key, const pcsl_string* value,
/*OUT*/ JSR211_RESULT_CHARRAY* result) {
int found_num;
JSR211_CH *res_buffer;
JSR211_CH *current_result, *last;
jsr211_boolean case_sens;
find_condition cond = find_exact;
if (open_table_file(0) != JSR211_OK) {
return JSR211_FAILED;
}
switch (key) {
case JSR211_FIELD_TYPES:
case JSR211_FIELD_SUFFIXES:
case_sens = JSR211_FALSE;
break;
case JSR211_FIELD_ID:
cond = find_test;
case JSR211_FIELD_ACTIONS:
case_sens = JSR211_TRUE;
break;
default:
close_table_file();
return JSR211_FAILED;
}
res_buffer = alloc_CH_buffer(JSR211_MAX_RESULT_SET);
if (res_buffer == NULL) {
close_table_file();
return JSR211_FAILED;
}
for (current_result = res_buffer, last = res_buffer + JSR211_MAX_RESULT_SET;
current_result < last;
current_result++) {
if (-1 == find_next_by_field(caller_id, key, value, case_sens, cond)) {
break;
}
load_current_handler(current_result);
goto_next_record();
}
if ((found_num = (int)(current_result - res_buffer))) {
jsr211_fillHandlerArray(res_buffer, found_num, result);
}
free_CH_buffer(res_buffer, found_num);
close_table_file();
return JSR211_OK;
}
/**
* Gets the registered content handler for the ID.
* The query can be for an exact match or for the handler
* matching the prefix of the requested ID.
* <BR>Only a content handler which is visible to and accessible to the
* given @link caller_id should be returned.
*
* @param caller_id calling application identifier.
* @param id handler ID.
* @param mode flag indicating whether exact, prefixed or test search should be
* performed according to @link JSR211_SEARCH_MODE constants.
* @param handler output value - requested handler.
* <br>Use @link jsr211_fillHandler function to fill this structure.
* @return status of the operation
*/
jsr211_result jsr211_get_handler(const pcsl_string* caller_id,
const pcsl_string* id, jsr211_search_flag mode,
/*OUT*/ JSR211_RESULT_CH* handler) {
JSR211_CH ch;
find_condition cond = mode == JSR211_SEARCH_PREFIX? find_first:
find_exact;
if (open_table_file(0) != JSR211_OK) {
return JSR211_FAILED;
}
if (find_next_by_field(caller_id, JSR211_FIELD_ID, id, JSR211_TRUE, cond) != -1) {
load_current_handler(&ch);
jsr211_fillHandler(&ch, handler);
free_CH(&ch);
}
close_table_file();
return JSR211_OK;
}
/**
* Deletes content handler information from a registry.
*
* @param handler_id content handler ID
* @return JSR211_OK if content handler unregistered successfully
*/
jsr211_result jsr211_unregister_handler(const pcsl_string* handler_id) {
long current_position, file_size, buffer_size;
int record_size;
char *buffer;
if (open_table_file(1) != JSR211_OK) {
return JSR211_FAILED;
}
if (find_next_by_field(NULL, JSR211_FIELD_ID, handler_id, JSR211_TRUE,
find_exact) == -1) {
close_table_file();
return JSR211_FAILED;
}
storageRead(&io_error_message, table_file, (char *)&record_size, sizeof(int));
current_position = storageRelativePosition(&io_error_message, table_file,
-(long)sizeof(int));
file_size = storageSizeOf(&io_error_message, table_file);
goto_next_record();
if (!(buffer = JSR211_MALLOC((buffer_size = file_size - current_position -
record_size)))) {
close_table_file();
return JSR211_FAILED;
}
storageRead(&io_error_message, table_file, buffer, buffer_size);
storagePosition(&io_error_message, table_file, current_position);
storageWrite(&io_error_message, table_file, buffer, buffer_size);
JSR211_FREE(buffer);
storageTruncate(&io_error_message, table_file, current_position +
buffer_size);
close_table_file();
return JSR211_OK;
}
/**
* Returns all found values for specified field. Tha allowed fields are: <ul>
* <li> JSR211_FIELD_ID, <li> JSR211_FIELD_TYPES, <li> JSR211_FIELD_SUFFIXES,
* <li> and JSR211_FIELD_ACTIONS. </ul>
* Values should be selected only from handlers accessible for given caller_id.
*
* @param caller_id calling application identifier.
* @param field search field id
* @param result output structure where result is placed to.
* <br>Use @link jsr211_fillStringArray function to fill this structure.
* @return status of the operation
*/
jsr211_result jsr211_get_all(const pcsl_string* caller_id, jsr211_field field,
/*OUT*/ JSR211_RESULT_STRARRAY* result) {
long current_position;
int found_num, access, current_size;
pcsl_string *res_buffer = NULL;
pcsl_string *current_result, *last;
int chr = CHR_INDEX((int)(field));
int isString;
switch (record_struct[chr]) {
case field_string:
isString = 1;
break;
case field_array:
isString = 0;
break;
default:
return JSR211_FAILED;
}
if (open_table_file(0) != JSR211_OK) {
return JSR211_FAILED;
}
res_buffer = alloc_pcsl_string_list(JSR211_MAX_RESULT_SET);
if (res_buffer == NULL) {
close_table_file();
return JSR211_FAILED;
}
current_position = 0;
for (current_result = res_buffer, last = res_buffer + JSR211_MAX_RESULT_SET;
current_result < last;) {
access = check_access(caller_id, current_position, ¤t_size);
if (access == -1) {
break;
}
if (access && position_field(chr) > 0) {
if (isString) {
read_string(current_result);
if (!findStringInArray(res_buffer, current_result - res_buffer,
current_result)) {
current_result++;
}
}
else {
pcsl_string *array_res = NULL, *results, *last_res;
int array_length = 0;
read_string_array(&array_length, &array_res);
if (array_length > 0) {
for (results = array_res, last_res = array_res + array_length;
results < last_res && current_result < last;
results++) {
if (!findStringInArray(res_buffer, current_result - res_buffer,
results)) {
*(current_result++) = *results;
*results = PCSL_STRING_NULL;
}
}
free_pcsl_string_list(array_res, array_length);
}
}
}
storagePosition(&io_error_message, table_file, current_position);
current_position += current_size;
goto_next_record();
}
if ((found_num = (int)(current_result - res_buffer))) {
jsr211_fillStringArray(res_buffer, found_num, result);
}
free_pcsl_string_list(res_buffer, JSR211_MAX_RESULT_SET);
close_table_file();
return JSR211_OK;
}
