87 lines
3.0 KiB
C
87 lines
3.0 KiB
C
/****************************************************************************
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** gmio
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** Copyright Fougue (2 Mar. 2015)
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** contact@fougue.pro
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**
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** This software is a reusable library whose purpose is to provide complete
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** I/O support for various CAD file formats (eg. STL)
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**
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** This software is governed by the CeCILL-B license under French law and
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** abiding by the rules of distribution of free software. You can use,
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** modify and/ or redistribute the software under the terms of the CeCILL-B
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** license as circulated by CEA, CNRS and INRIA at the following URL
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** "http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html".
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****************************************************************************/
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#include "stl_infos.h"
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#include "../gmio_core/error.h"
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#include "../gmio_core/internal/helper_memblock.h"
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#include "../gmio_core/internal/helper_stream.h"
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#include "stl_error.h"
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#include "stl_format.h"
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#include "internal/stla_infos_get.h"
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#include "internal/stlb_infos_get.h"
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int gmio_stl_infos_get(
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struct gmio_stl_infos* infos,
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struct gmio_stream* stream,
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unsigned flags,
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const struct gmio_stl_infos_get_options* opts)
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{
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int error = GMIO_ERROR_OK;
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const struct gmio_streampos begin_streampos = gmio_streampos(stream, NULL);
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struct gmio_memblock_helper mblock_helper =
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gmio_memblock_helper(opts != NULL ? &opts->stream_memblock : NULL);
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enum gmio_stl_format format =
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opts != NULL ? opts->format_hint : GMIO_STL_FORMAT_UNKNOWN;
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struct gmio_stl_infos_get_options ovrdn_opts = {0};
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if (opts != NULL)
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ovrdn_opts = *opts;
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ovrdn_opts.stream_memblock = mblock_helper.memblock;
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/* Guess format when left unspecified */
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if (format == GMIO_STL_FORMAT_UNKNOWN) {
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format = gmio_stl_get_format(stream);
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if (format == GMIO_STL_FORMAT_UNKNOWN) {
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error = GMIO_STL_ERROR_UNKNOWN_FORMAT;
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goto label_end;
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}
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ovrdn_opts.format_hint = format;
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}
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if (flags & GMIO_STL_INFO_FLAG_FORMAT)
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infos->format = format;
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/* Dispatch to the sub-function */
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switch (format) {
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case GMIO_STL_FORMAT_ASCII:
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error = gmio_stla_infos_get(infos, stream, flags, &ovrdn_opts);
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break;
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case GMIO_STL_FORMAT_BINARY_LE:
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case GMIO_STL_FORMAT_BINARY_BE:
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error = gmio_stlb_infos_get(infos, stream, flags, &ovrdn_opts);
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break;
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default:
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error = GMIO_STL_ERROR_UNKNOWN_FORMAT;
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break;
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}
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label_end:
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gmio_stream_set_pos(stream, &begin_streampos);
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gmio_memblock_helper_release(&mblock_helper);
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return error;
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}
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gmio_streamsize_t gmio_stla_infos_get_streamsize(
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struct gmio_stream *stream, struct gmio_memblock *stream_memblock)
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{
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struct gmio_stl_infos infos = {0};
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struct gmio_stl_infos_get_options options = {0};
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options.stream_memblock = *stream_memblock;
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options.format_hint = GMIO_STL_FORMAT_ASCII;
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gmio_stl_infos_get(&infos, stream, GMIO_STL_INFO_FLAG_SIZE, &options);
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return infos.size;
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}
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