| 1 | /* |
| 2 | * Common Trace Format |
| 3 | * |
| 4 | * Enumeration mapping strings (quarks) from/to integers. |
| 5 | * |
| 6 | * Copyright 2010, 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | */ |
| 18 | |
| 19 | #include <babeltrace/ctf/types.h> |
| 20 | #include <stdint.h> |
| 21 | #include <glib.h> |
| 22 | |
| 23 | /* |
| 24 | * The caller should unref the GArray. |
| 25 | */ |
| 26 | GArray *ctf_enum_read(struct stream_pos *pos, |
| 27 | const struct declaration_enum *src) |
| 28 | { |
| 29 | const struct declaration_integer *integer_declaration = src->integer_declaration; |
| 30 | |
| 31 | if (!integer_declaration->signedness) { |
| 32 | uint64_t v; |
| 33 | |
| 34 | v = ctf_uint_read(pos, integer_declaration); |
| 35 | return enum_uint_to_quark_set(src, v); |
| 36 | } else { |
| 37 | int64_t v; |
| 38 | |
| 39 | v = ctf_int_read(pos, integer_declaration); |
| 40 | return enum_int_to_quark_set(src, v); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | /* |
| 45 | * Arbitrarily choose the start of the first matching range. |
| 46 | */ |
| 47 | void ctf_enum_write(struct stream_pos *pos, |
| 48 | const struct declaration_enum *dest, |
| 49 | GQuark q) |
| 50 | { |
| 51 | const struct declaration_integer *integer_declaration = dest->integer_declaration; |
| 52 | GArray *array; |
| 53 | |
| 54 | array = enum_quark_to_range_set(dest, q); |
| 55 | assert(array); |
| 56 | |
| 57 | if (!integer_declaration->signedness) { |
| 58 | uint64_t v = g_array_index(array, struct enum_range, 0).start._unsigned; |
| 59 | ctf_uint_write(pos, integer_declaration, v); |
| 60 | } else { |
| 61 | int64_t v = g_array_index(array, struct enum_range, 0).start._unsigned; |
| 62 | ctf_int_write(pos, integer_declaration, v); |
| 63 | } |
| 64 | } |