76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
/****************************************************************************
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** GeomIO Library
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** Copyright FougSys (2 Mar. 2015)
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** contact@fougsys.fr
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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".
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****************************************************************************/
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#ifndef GMIO_INTERNAL_STRING_PARSE_H
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#define GMIO_INTERNAL_STRING_PARSE_H
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#include "../global.h"
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#include "../stream.h"
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/*! Stores traditional 8-bit strings
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*
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* For faster length lookups, it knowns the length of its contents. It must
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* never exceeds the maximum length of the buffer.
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*/
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struct gmio_string_buffer
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{
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char* ptr; /*!< Buffer contents */
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size_t len; /*!< Size(length) of current contents */
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size_t max_len; /*!< Maximum contents size(length) */
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};
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typedef struct gmio_string_buffer gmio_string_buffer_t;
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/*! Forward iterator over a stream
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*
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* To be used with API below.
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* It allows to iterate over a stream (until end is reached) as if it was a
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* string.
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*/
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struct gmio_string_stream_fwd_iterator
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{
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gmio_stream_t* stream;
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gmio_string_buffer_t buffer;
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size_t buffer_pos; /*!< Position indicator in buffer */
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void* cookie;
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void (*stream_read_hook)(void* cookie, const gmio_string_buffer_t* str_buffer);
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};
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typedef struct gmio_string_stream_fwd_iterator gmio_string_stream_fwd_iterator_t;
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void gmio_string_stream_fwd_iterator_init(gmio_string_stream_fwd_iterator_t* it);
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const char* gmio_current_char(const gmio_string_stream_fwd_iterator_t* it);
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void gmio_skip_spaces(gmio_string_stream_fwd_iterator_t* it);
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int gmio_eat_word(gmio_string_stream_fwd_iterator_t* it, gmio_string_buffer_t* buffer);
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/*! Move on next char in stream */
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const char* gmio_next_char(gmio_string_stream_fwd_iterator_t* it);
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/*! Iterate over stream while it matches input string \p str
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*
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* Returns GMIO_TRUE if \p str was fully matched
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*/
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gmio_bool_t gmio_checked_next_chars(gmio_string_stream_fwd_iterator_t* it, const char* str);
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/*! Converts the string pointed to by \p str to gmio_float32_t representation
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*
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* \retval 0 On success
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* \retval -1 On error(check \c errno to see what happened)
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*/
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int gmio_get_float32(const char* str, gmio_float32_t* value_ptr);
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#endif /* GMIO_INTERNAL_STRING_PARSE_H */
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