info.c

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#include "mhdf.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <H5Tpublic.h>
 
static int print_file_summary( struct mhdf_FileDesc* data );
 
int main( int argc, char* argv[] )
{
 int result;
 mhdf_FileHandle file;
 mhdf_Status status;
 unsigned long max_id;
 struct mhdf_FileDesc* data;
 
 if( argc != 2 )
 {
 fprintf( stderr, "Usage: %s <filename>\n", argv[0] );
 return 1;
 }
 
 file = mhdf_openFile( argv[1], 0, &max_id, -1, &status );
 if( mhdf_isError( &status ) )
 {
 fprintf( stderr, "%s: %s\n", argv[1], mhdf_message( &status ) );
 return 1;
 }
 
 data = mhdf_getFileSummary( file, H5T_NATIVE_ULONG, &status, 0 ); /* no extra set info here*/
 if( mhdf_isError( &status ) )
 {
 fprintf( stderr, "%s: %s\n", argv[1], mhdf_message( &status ) );
 return 1;
 }
 
 mhdf_closeFile( file, &status );
 
 printf( "%s:\n", argv[1] );
 result = print_file_summary( data );
 free( data );
 return result;
}
 
static void print_ent_desc( const char* name,
 const char* subname,
 struct mhdf_EntDesc* data,
 const char* vals_label,
 const char* extra_label,
 struct mhdf_FileDesc* all )
{
 int i, len = 10;
 
 if( vals_label && (int)strlen( vals_label ) > len ) len = strlen( vals_label );
 if( extra_label && (int)strlen( extra_label ) > len ) len = strlen( extra_label );
 
 if( subname )
 printf( " %s (%s):\n", name, subname );
 else
 printf( " %s:\n", name );
 
 if( vals_label ) printf( " %-*s: %d\n", len, vals_label, data->vals_per_ent );
 
 printf( " %-*s: %ld [%ld - %ld]\n", len, "entities", data->count, data->start_id,
 data->start_id + data->count - 1 );
 
 if( extra_label ) printf( " %-*s\n", len, extra_label );
 
 if( !data->num_dense_tags ) return;
 
 printf( " %-*s: \"%s\"", len, "dense tags", all->tags[data->dense_tag_indices[0]].name );
 for( i = 1; i < data->num_dense_tags; ++i )
 printf( ", \"%s\"", all->tags[data->dense_tag_indices[i]].name );
 printf( "\n" );
}
 
static void print_elem_desc( struct mhdf_ElemDesc* data, struct mhdf_FileDesc* all )
{
 const char* adj = data->have_adj ? "adjacencies" : "no adjencies";
 print_ent_desc( data->handle, data->type, &data->desc, "nodes per element", adj, all );
}
 
static const char* tag_type_name( enum mhdf_TagDataType type )
{
 static const char opaque[] = "opaque";
 static const char integer[] = "integer";
 static const char real[] = "real";
 static const char bits[] = "bit field";
 static const char boolean[] = "boolean";
 static const char id[] = "entity id";
 static const char unknown[] = "(UNKNOWN TYPE ID)";
 switch( type )
 {
 case mhdf_OPAQUE:
 return opaque;
 case mhdf_INTEGER:
 return integer;
 case mhdf_FLOAT:
 return real;
 case mhdf_BITFIELD:
 return bits;
 case mhdf_BOOLEAN:
 return boolean;
 case mhdf_ENTITY_ID:
 return id;
 }
 return unknown;
}
 
static const char* string_tag_value( const void* value, enum mhdf_TagDataType type, int size )
{
 static char buffer[1024];
 const char* data = value;
 char* offset = buffer;
 int print, i;
 const int* intptr = value;
 const double* dblptr = value;
 const unsigned long* idptr = value;
 
 if( size <= 0 )
 {
 *buffer = '\0';
 return buffer;
 }
 
 switch( type )
 {
 case mhdf_OPAQUE:
 print = 1;
 for( i = 0; i < size; ++i )
 if( !isprint( data[i] ) ) print = 0;
 if( print )
 {
 offset[0] = '"';
 memcpy( offset + 1, data, size );
 offset[size + 1] = '"';
 offset[size + 2] = '\0';
 offset += size + 2;
 }
 else
 {
 strcpy( offset, "0x" );
 offset += 2;
 for( i = 0; i < size; ++i )
 offset += snprintf( offset, 1024, "%02x", (unsigned int)data[i] );
 }
 break;
 case mhdf_INTEGER:
 if( size == 1 )
 {
 offset += snprintf( offset, 1024, "%d", intptr[0] );
 }
 else
 {
 offset += snprintf( offset, 1024, "{%d", intptr[0] );
 for( i = 1; i < size; ++i )
 offset += snprintf( offset, 1024, ",%d", intptr[i] );
 offset += snprintf( offset, 1024, "}" );
 }
 break;
 case mhdf_FLOAT:
 if( size == 1 )
 {
 offset += snprintf( offset, 1024, "%g", dblptr[0] );
 }
 else
 {
 offset += snprintf( offset, 1024, "{%g", dblptr[0] );
 for( i = 1; i < size; ++i )
 offset += snprintf( offset, 1024, ",%g", dblptr[i] );
 offset += snprintf( offset, 1024, "}" );
 }
 break;
 case mhdf_BITFIELD:
 if( size > 8 )
 offset += snprintf( offset, 1024, "(more than 8 bits)" );
 else
 {
 for( i = size - 1; i >= 0; --i )
 *( offset++ ) = (char)( *data & ( 1 << i ) ? '1' : '0' );
 *offset = '\0';
 }
 break;
 case mhdf_BOOLEAN:
 if( size == 1 )
 {
 offset += snprintf( offset, 1024, "%s", data[0] ? "true" : "false" );
 }
 else
 {
 offset += snprintf( offset, 1024, "{%s", data[0] ? "true" : "false" );
 for( i = 1; i < size; ++i )
 offset += snprintf( offset, 1024, ",%s", data[i] ? "true" : "false" );
 offset += snprintf( offset, 1024, "}" );
 }
 break;
 case mhdf_ENTITY_ID:
 if( size == 1 )
 {
 offset += snprintf( offset, 1024, "%lu", idptr[0] );
 }
 else
 {
 offset += snprintf( offset, 1024, "{%lu", idptr[0] );
 for( i = 1; i < size; ++i )
 offset += snprintf( offset, 1024, ",%lu", idptr[i] );
 offset += snprintf( offset, 1024, "}" );
 }
 break;
 default:
 strcpy( buffer, "(unknown data type)" );
 break;
 }
 
 return buffer;
}
 
static const char* ent_desc_name( struct mhdf_FileDesc* all, int idx )
{
 static const char nodes[] = "Nodes";
 static const char sets[] = "Sets";
 static const char invalid[] = "<INVALID INDEX!>";
 if( idx == -2 ) return sets;
 if( idx == -1 ) return nodes;
 if( idx >= all->num_elem_desc || idx < -2 ) return invalid;
 return all->elems[idx].handle;
}
 
static void print_tag_desc( struct mhdf_TagDesc* data, struct mhdf_FileDesc* all )
{
 int i, width = 8;
 
 printf( " \"%s\":\n", data->name );
 printf( " %-*s: %s\n", width, "type", tag_type_name( data->type ) );
 if( data->size < 0 )
 printf( " %-*s: (variable)\n", width, "size" );
 else
 printf( " %-*s: %d (%d bytes)\n", width, "size", data->size, data->bytes );
 printf( " %-*s: %x\n", width, "flags", data->storage );
 if( data->default_value )
 printf( " %-*s: %s\n", width, "default",
 string_tag_value( data->default_value, data->type, data->default_value_size ) );
 if( data->global_value )
 printf( " %-*s: %s\n", width, "mesh val",
 string_tag_value( data->global_value, data->type, data->global_value_size ) );
 if( data->have_sparse )
 {
 printf( " %-*s: (sparse)", width, "tables" );
 for( i = 0; i < data->num_dense_indices; ++i )
 printf( ", %s", ent_desc_name( all, data->dense_elem_indices[i] ) );
 }
 else if( data->num_dense_indices )
 {
 printf( " %-*s: %s", width, "tables", ent_desc_name( all, data->dense_elem_indices[0] ) );
 for( i = 1; i < data->num_dense_indices; ++i )
 printf( ", %s", ent_desc_name( all, data->dense_elem_indices[i] ) );
 }
 else
 {
 printf( " %-*s: (none)", width, "tables" );
 }
 printf( "\n" );
}
 
static int print_file_summary( struct mhdf_FileDesc* data )
{
 int i;
 
 printf( " Entities:\n" );
 print_ent_desc( "Nodes", NULL, &data->nodes, "dimension", NULL, data );
 for( i = 0; i < data->num_elem_desc; ++i )
 print_elem_desc( data->elems + i, data );
 print_ent_desc( "Sets", NULL, &data->sets, NULL, NULL, data );
 
 printf( " Tags:\n" );
 for( i = 0; i < data->num_tag_desc; ++i )
 print_tag_desc( data->tags + i, data );
 
 return 0;
}