include/babeltrace/ctf-text/types.h

   1 #ifndef _BABELTRACE_CTF_TEXT_TYPES_H
   2 #define _BABELTRACE_CTF_TEXT_TYPES_H
   3
   4 /*
   5  * Common Trace Format (Text Output)
   6  *
   7  * Type header
   8  *
   9  * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  */
  21
  22 #include <sys/mman.h>
  23 #include <errno.h>
  24 #include <stdint.h>
  25 #include <unistd.h>
  26 #include <glib.h>
  27 #include <babeltrace/babeltrace-internal.h>
  28 #include <babeltrace/types.h>
  29 #include <babeltrace/format.h>
  30
  31 /*
  32  * Inherit from both struct stream_pos and struct trace_descriptor.
  33  */
  34 struct ctf_text_stream_pos {
  35         struct stream_pos parent;
  36         struct trace_descriptor trace_descriptor;
  37         FILE *fp;               /* File pointer. NULL if unset. */
  38         int depth;
  39         int dummy;              /* disable output */
  40         int print_names;        /* print field names */
  41         int field_nr;
  42         uint64_t last_timestamp;        /* to print delta */
  43         GString *string;        /* Current string */
  44 };
  45
  46 static inline
  47 struct ctf_text_stream_pos *ctf_text_pos(struct stream_pos *pos)
  48 {
  49         return container_of(pos, struct ctf_text_stream_pos, parent);
  50 }
  51
  52 /*
  53  * Write only is supported for now.
  54  */
  55 int ctf_text_integer_write(struct stream_pos *pos, struct definition *definition);
  56 int ctf_text_float_write(struct stream_pos *pos, struct definition *definition);
  57 int ctf_text_string_write(struct stream_pos *pos, struct definition *definition);
  58 int ctf_text_enum_write(struct stream_pos *pos, struct definition *definition);
  59 int ctf_text_struct_write(struct stream_pos *pos, struct definition *definition);
  60 int ctf_text_variant_write(struct stream_pos *pos, struct definition *definition);
  61 int ctf_text_array_write(struct stream_pos *pos, struct definition *definition);
  62 int ctf_text_sequence_write(struct stream_pos *pos, struct definition *definition);
  63
  64 static inline
  65 void print_pos_tabs(struct ctf_text_stream_pos *pos)
  66 {
  67         int i;
  68
  69         for (i = 0; i < pos->depth; i++)
  70                 fprintf(pos->fp, "\t");
  71 }
  72
  73 /*
  74  * Check if the field must be printed.
  75  */
  76 int print_field(struct definition *definition);
  77
  78 static inline
  79 const char *rem_(const char *str)
  80 {
  81         if (str[0] == '_')
  82                 return &str[1];
  83         else
  84                 return str;
  85 }
  86
  87 #endif /* _BABELTRACE_CTF_TEXT_TYPES_H */