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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
#ifndef SERIAL_HPP
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#define SERIAL_HPP
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#include <stddef.h>
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#include <stdio.h>
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#include <vector>
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#include "geometry.hpp"
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size_t fwrite_check(const void *ptr, size_t size, size_t nitems, FILE *stream, const char *fname);
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void serialize_int(FILE *out, int n, long long *fpos, const char *fname);
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void serialize_long_long(FILE *out, long long n, long long *fpos, const char *fname);
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void serialize_ulong_long(FILE *out, unsigned long long n, long long *fpos, const char *fname);
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void serialize_byte(FILE *out, signed char n, long long *fpos, const char *fname);
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void serialize_uint(FILE *out, unsigned n, long long *fpos, const char *fname);
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void serialize_string(FILE *out, const char *s, long long *fpos, const char *fname);
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void deserialize_int(char **f, int *n);
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void deserialize_long_long(char **f, long long *n);
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void deserialize_ulong_long(char **f, unsigned long long *n);
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void deserialize_uint(char **f, unsigned *n);
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void deserialize_byte(char **f, signed char *n);
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int deserialize_int_io(FILE *f, int *n, long long *geompos);
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int deserialize_long_long_io(FILE *f, long long *n, long long *geompos);
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int deserialize_ulong_long_io(FILE *f, unsigned long long *n, long long *geompos);
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int deserialize_uint_io(FILE *f, unsigned *n, long long *geompos);
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int deserialize_byte_io(FILE *f, signed char *n, long long *geompos);
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struct serial_val {
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int type;
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std::string s;
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};
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struct serial_feature {
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long long layer;
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int segment;
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long long seq;
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signed char t;
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signed char feature_minzoom;
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bool has_id;
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unsigned long long id;
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bool has_tippecanoe_minzoom;
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int tippecanoe_minzoom;
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bool has_tippecanoe_maxzoom;
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int tippecanoe_maxzoom;
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drawvec geometry;
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unsigned long long index;
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long long extent;
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size_t m;
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std::vector<long long> keys;
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std::vector<long long> values;
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long long metapos;
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// XXX This isn't serialized. Should it be here?
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long long bbox[4];
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std::vector<std::string> full_keys;
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std::vector<serial_val> full_values;
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};
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void serialize_feature(FILE *geomfile, serial_feature *sf, long long *geompos, const char *fname, long long wx, long long wy, bool include_minzoom);
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serial_feature deserialize_feature(FILE *geoms, long long *geompos_in, char *metabase, long long *meta_off, unsigned z, unsigned tx, unsigned ty, unsigned *initial_x, unsigned *initial_y);
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struct serialization_state {
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const char *fname; // source file name
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int line; // user-oriented location within source for error reports
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volatile long long *layer_seq; // sequence within current layer
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volatile long long *progress_seq; // overall sequence for progress indicator
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struct reader *readers; // array of data for each input thread
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int segment; // the current input thread
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FILE *geomfile; // main feature serialization; references metafile or poolfile
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long long *geompos;
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FILE *metafile; // feature metadata; references poolfile
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long long *metapos;
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FILE *indexfile; // quadkey index into geomfile
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long long *indexpos;
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struct memfile *poolfile; // string pool for keys and values
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struct memfile *treefile; // index into poolfile
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long long file_bbox[4]; // global bounding box
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unsigned *initial_x; // relative offset of all geometries
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unsigned *initial_y;
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int *initialized;
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double *dist_sum; // running tally for calculation of resolution within features
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size_t *dist_count;
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};
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#endif
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