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Moved the rclrs_example_msgs package to the examples folder. This package was only ever used by examples. (#384)
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‎rclrs/rclrs_example_msgs/CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.5)
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project(rclrs_example_msgs)
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# Default to C++14
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if(NOT CMAKE_CXX_STANDARD)
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set(CMAKE_CXX_STANDARD 14)
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-Wall -Wextra -Wpedantic)
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endif()
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find_package(ament_cmake REQUIRED)
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find_package(rosidl_default_generators REQUIRED)
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set(msg_files
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"msg/NestedType.msg"
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"msg/VariousTypes.msg"
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"msg/MyMessage.idl"
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)
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rosidl_generate_interfaces(${PROJECT_NAME}
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${msg_files}
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)
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ament_export_dependencies(rosidl_default_runtime)
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ament_package()

‎rclrs/rclrs_example_msgs/msg/MyMessage.idl‎

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// Taken and slightly adapted from
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// https://github.com/ros2/rosidl/blob/iron/rosidl_parser/test/msg/MyMessage.idl
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module rclrs_example_msgs {
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module msg {
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module MyMessage_Constants {
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const short SHORT_CONSTANT = -23;
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const unsigned long UNSIGNED_LONG_CONSTANT = 42;
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const float FLOAT_CONSTANT = 1.25;
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const boolean BOOLEAN_CONSTANT = TRUE;
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const string STRING_CONSTANT = "string_value";
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const wstring WSTRING_CONSTANT = "wstring_value_\u2122";
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const string EMPTY_STRING_CONSTANT = "";
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};
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@verbatim ( language="comment", text="Documentation of MyMessage." "Adjacent string literal." )
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@transfer_mode(SHMEM_REF)
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struct MyMessage {
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short short_value, short_value2;
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@default ( value=123 )
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unsigned short unsigned_short_value;
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@key
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@range ( min=-10, max=10 )
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long long_value;
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@verbatim (language="comment", text="")
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unsigned long unsigned_long_value;
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long long long_long_value;
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unsigned long long unsigned_long_long_value;
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float float_value;
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double double_value;
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// long double long_double_value;
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char char_value;
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wchar wchar_value;
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boolean boolean_value;
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octet octet_value;
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int8 int8_value;
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uint8 uint8_value;
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int16 int16_value;
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uint16 uint16_value;
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int32 int32_value;
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uint32 uint32_value;
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int64 int64_value;
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uint64 uint64_value;
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string string_value;
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string<5> bounded_string_value;
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wstring wstring_value;
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wstring<23> bounded_wstring_value;
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// wstring<UNSIGNED_LONG_CONSTANT> constant_bounded_wstring_value;
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sequence<short> unbounded_short_values;
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sequence<short, 5> bounded_short_values;
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sequence<string<3>> unbounded_values_of_bounded_strings;
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sequence<string<3>, 4> bounded_values_of_bounded_strings;
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short array_short_values[23];
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// Tests of the floating point parser (7.2.6.4)
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@default ( value=1.9e10 )
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float int_and_frac_with_positive_scientific;
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@default ( value=1.9e+10 )
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float int_and_frac_with_explicit_positive_scientific;
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@default ( value=1.1e-10)
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float int_and_frac_with_negative_scientific;
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@default ( value=0.00009 )
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float int_and_frac;
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@default ( value = 1. )
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float int_with_empty_frac;
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@default ( value = .1 )
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float frac_only;
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@default ( value=9e05 )
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float int_with_positive_scientific;
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@default ( value=9e+05 )
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float int_with_explicit_positive_scientific;
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@default ( value=9e-05 )
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float int_with_negative_scientific;
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// Tests of the fixed point parser (7.2.6.5)
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@default ( value=8.7d )
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float fixed_int_and_frac;
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@default ( value=4.d )
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float fixed_int_with_dot_only;
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@default ( value=.3d )
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float fixed_frac_only;
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@default ( value=7d )
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float fixed_int_only;
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};
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};
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};

‎rclrs/rclrs_example_msgs/msg/NestedType.msg‎

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string effect "discombobulate"

‎rclrs/rclrs_example_msgs/msg/VariousTypes.msg‎

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# Primitive types
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bool bool_member true
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int8 int8_member 1
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uint8 uint8_member 2
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byte byte_member 3
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float32 float32_member 1e-2
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# Array/sequence of primitive type
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float32[3] float_array [1.0, 2.0, 3.0]
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float32[<=3] float_seq_bounded [4.0, 5.0]
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float32[] float_seq_unbounded [6.0]
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# String types
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string string_member "Χαίρετε 你好"
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wstring wstring_member "αντίο σου 再见"
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string<=3 bounded_string_member "äöü"
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wstring<=3 bounded_wstring_member "äöü"
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# Array/sequence of string type
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string[4] string_array ["R", "O", "S", "2"]
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string[<=4] string_seq_bounded ["R", "O", "S", "2"]
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string[] string_seq_unbounded ["R", "O", "S", "2"]
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string<=1[4] bounded_string_array ["R", "O", "S", "2"]
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string<=1[<=4] bounded_string_seq_bounded ["R", "O", "S", "2"]
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string<=1[] bounded_string_seq_unbounded ["R", "O", "S", "2"]
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# Nested type
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NestedType nested_member
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# Array/sequence of nested type
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NestedType[2] nested_array
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NestedType[] nested_seq_unbounded
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NestedType[<=3] nested_seq_bounded
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# binary, hexadecimal and octal constants are also possible
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int8 TWO_PLUS_TWO = 5
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# Only unbounded strings are possible
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string PASSWORD = "hunter2"
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# As determined by Edward J. Goodwin
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float32 PI = 3.0

‎rclrs/rclrs_example_msgs/package.xml‎

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<?xml version="1.0"?>
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<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
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<package format="3">
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<name>rclrs_example_msgs</name>
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<version>0.4.1</version>
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<description>A package containing some example message definitions.</description>
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<maintainer email="nnmmgit@gmail.com">Nikolai Morin</maintainer>
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<license>Apache License 2.0</license>
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<buildtool_depend>ament_cmake</buildtool_depend>
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<buildtool_depend>rosidl_default_generators</buildtool_depend>
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<exec_depend>rosidl_default_runtime</exec_depend>
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<test_depend>ament_lint_common</test_depend>
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<member_of_group>rosidl_interface_packages</member_of_group>
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<export>
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<build_type>ament_cmake</build_type>
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</export>
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</package>

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