Add support for reading and writing SPV files.

[pspp] / src / output / spv / spvbin-helpers.h

diff --git a/src/output/spv/spvbin-helpers.h b/src/output/spv/spvbin-helpers.h
new file mode 100644 (file)
index 0000000..1cb8e34
--- /dev/null
+++ b/src/output/spv/spvbin-helpers.h
@@ -0,0 +1,94 @@
+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2018 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef SPVBIN_HELPERS_H
+#define SPVBIN_HELPERS_H 1
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+struct spvbin_input
+  {
+    const uint8_t *data;
+    size_t ofs;
+    size_t size;
+    int version;
+
+#define SPVBIN_MAX_ERRORS 16
+    struct
+      {
+        const char *name;
+        size_t start;
+      }
+    errors[SPVBIN_MAX_ERRORS];
+    size_t n_errors;
+    size_t error_ofs;
+  };
+
+void spvbin_input_init (struct spvbin_input *, const void *, size_t);
+bool spvbin_input_at_end (const struct spvbin_input *);
+
+char *spvbin_input_to_error (const struct spvbin_input *, const char *name);
+
+bool spvbin_match_bytes (struct spvbin_input *, const void *, size_t);
+bool spvbin_match_byte (struct spvbin_input *, uint8_t);
+
+bool spvbin_parse_bool (struct spvbin_input *, bool *);
+bool spvbin_parse_byte (struct spvbin_input *, uint8_t *);
+bool spvbin_parse_int16 (struct spvbin_input *, uint16_t *);
+bool spvbin_parse_int32 (struct spvbin_input *, uint32_t *);
+bool spvbin_parse_int64 (struct spvbin_input *, uint64_t *);
+bool spvbin_parse_be16 (struct spvbin_input *, uint16_t *);
+bool spvbin_parse_be32 (struct spvbin_input *, uint32_t *);
+bool spvbin_parse_be64 (struct spvbin_input *, uint64_t *);
+bool spvbin_parse_double (struct spvbin_input *, double *);
+bool spvbin_parse_float (struct spvbin_input *, double *);
+bool spvbin_parse_string (struct spvbin_input *, char **);
+bool spvbin_parse_bestring (struct spvbin_input *, char **);
+
+void spvbin_error (struct spvbin_input *, const char *name, size_t start);
+
+void spvbin_print_header (const char *title, size_t start, size_t len,
+                          int indent);
+void spvbin_print_presence (const char *title, int indent, bool);
+void spvbin_print_bool (const char *title, int indent, bool);
+void spvbin_print_byte (const char *title, int indent, uint8_t);
+void spvbin_print_int16 (const char *title, int indent, uint16_t);
+void spvbin_print_int32 (const char *title, int indent, uint32_t);
+void spvbin_print_int64 (const char *title, int indent, uint64_t);
+void spvbin_print_double (const char *title, int indent, double);
+void spvbin_print_string (const char *title, int indent, const char *);
+void spvbin_print_case (const char *title, int indent, int);
+
+struct spvbin_position
+  {
+    size_t ofs;
+  };
+
+struct spvbin_position spvbin_position_save (const struct spvbin_input *);
+void spvbin_position_restore (struct spvbin_position *, struct spvbin_input *);
+
+struct spvbin_limit
+  {
+    size_t size;
+  };
+
+bool spvbin_limit_parse (struct spvbin_limit *, struct spvbin_input *);
+bool spvbin_limit_parse_be (struct spvbin_limit *, struct spvbin_input *);
+void spvbin_limit_pop (struct spvbin_limit *, struct spvbin_input *);
+
+#endif /* output/spv/spvbin-helpers.h */