Add C++ bindings for atoms and forgeatom-cpp

1 files changed, 351 insertions, 0 deletions

diff --git a/lv2/atom/atom-test.cpp b/lv2/atom/atom-test.cpp
new file mode 100644
index 0000000..518780e
--- /dev/null
+++ b/lv2/atom/atom-test.cpp
@@ -0,0 +1,351 @@
+/*
+  Copyright 2012-2019 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include "lv2/atom/Atom.hpp"
+#include "lv2/atom/Forge.hpp"
+#include "lv2/atom/atom-test-utils.c"
+#include "lv2/atom/util.h"
+
+#include <cstdint>
+#include <vector>
+
+using namespace lv2::atom;
+
+static int
+test_primitives()
+{
+	LV2_URID_Map map{NULL, urid_map};
+	Forge        forge{&map};
+
+	if (forge.make(int32_t(2)) < forge.make(int32_t(1)) ||
+	    forge.make(int64_t(4)) < forge.make(int64_t(3)) ||
+	    forge.make(6.0f) < forge.make(4.0f) ||
+	    forge.make(8.0) < forge.make(7.0) ||
+	    forge.make(true) < forge.make(false)) {
+		return test_fail("Primitive comparison failed\n");
+	}
+
+	return 0;
+}
+
+int
+main(void)
+{
+	if (test_primitives()) {
+		return 1;
+	}
+
+	LV2_URID_Map map = { NULL, urid_map };
+
+	LV2_URID eg_Object  = urid_map(NULL, "http://example.org/Object");
+	LV2_URID eg_one     = urid_map(NULL, "http://example.org/one");
+	LV2_URID eg_two     = urid_map(NULL, "http://example.org/two");
+	LV2_URID eg_three   = urid_map(NULL, "http://example.org/three");
+	LV2_URID eg_four    = urid_map(NULL, "http://example.org/four");
+	LV2_URID eg_true    = urid_map(NULL, "http://example.org/true");
+	LV2_URID eg_false   = urid_map(NULL, "http://example.org/false");
+	LV2_URID eg_path    = urid_map(NULL, "http://example.org/path");
+	LV2_URID eg_uri     = urid_map(NULL, "http://example.org/uri");
+	LV2_URID eg_urid    = urid_map(NULL, "http://example.org/urid");
+	LV2_URID eg_string  = urid_map(NULL, "http://example.org/string");
+	LV2_URID eg_literal = urid_map(NULL, "http://example.org/literal");
+	LV2_URID eg_tuple   = urid_map(NULL, "http://example.org/tuple");
+	LV2_URID eg_vector  = urid_map(NULL, "http://example.org/vector");
+	LV2_URID eg_vector2 = urid_map(NULL, "http://example.org/vector2");
+	LV2_URID eg_seq     = urid_map(NULL, "http://example.org/seq");
+
+#define BUF_SIZE  1024
+#define NUM_PROPS 15
+
+	uint8_t buf[BUF_SIZE];
+	Forge   forge(&map, buf, BUF_SIZE);
+
+	Forge::ScopedObject obj(forge, 0, eg_Object);
+
+	// eg_one = (Int)1
+	obj.key(eg_one);
+	const Int& one = forge.write(1);
+	if (one != 1) {
+		return test_fail("%d != 1\n", one);
+	}
+
+	// eg_two = (Long)2
+	obj.key(eg_two);
+	const Long& two = forge.write(2L);
+	if (two != 2L) {
+		return test_fail("%ld != 2\n", two);
+	}
+
+	// eg_three = (Float)3.0
+	obj.key(eg_three);
+	const Float& three = forge.write(3.0f);
+	if (three != 3.0f) {
+		return test_fail("%f != 3.0f\n", three);
+	}
+
+	// eg_four = (Double)4.0
+	obj.key(eg_four);
+	const Double& four = forge.write(4.0);
+	if (four != 4) {
+		return test_fail("%ld != 4.0\n", four);
+	}
+
+	// eg_true = (Bool)1
+	obj.key(eg_true);
+	const Bool& t = forge.write(true);
+	if (!t) {
+		return test_fail("%ld != 1 (true)\n", t);
+	}
+
+	// eg_false = (Bool)0
+	obj.key(eg_false);
+	const Bool& f = forge.write(false);
+	if (f) {
+		return test_fail("%ld != 0 (false)\n", f);
+	}
+
+	// eg_path = (Path)"/foo/bar"
+	obj.key(eg_path);
+	const String& path = forge.path("/foo/bar");
+	if (path != "/foo/bar") {
+		return test_fail("%s != \"/foo/bar\"\n", path.c_str());
+	}
+
+	// eg_uri = (URI)"http://example.org/value"
+	obj.key(eg_uri);
+	const String& uri = forge.uri("http://lv2plug.in/");
+	if (uri != "http://lv2plug.in/") {
+		return test_fail("%s != \"http://lv2plug.in/\"\n", uri.c_str());
+	}
+
+	// eg_urid = (URID)"http://example.org/value"
+	LV2_URID eg_value = urid_map(NULL, "http://example.org/value");
+	obj.key(eg_urid);
+	LV2_Atom_URID* urid = &*forge.urid(eg_value);
+	if (urid->body != eg_value) {
+		return test_fail("%u != %u\n", urid->body, eg_value);
+	}
+
+	// eg_string = (String)"hello"
+	obj.key(eg_string);
+	const String& string = forge.string("hello", strlen("hello"));
+	if (string != "hello") {
+		return test_fail("%s != \"hello\"\n", string.c_str());
+	}
+
+	// eg_literal = (Literal)"hello"@fr
+	obj.key(eg_literal);
+	const Literal& literal = forge.literal(
+		"bonjour", 0, urid_map(NULL, "http://lexvo.org/id/term/fr"));
+	if (strcmp(literal.c_str(), "bonjour")) {
+		return test_fail("%s != \"bonjour\"\n", literal.c_str());
+	}
+
+	// eg_tuple = "foo",true
+	obj.key(eg_tuple);
+	const Tuple*  tuple = NULL;
+	const String* tup0  = NULL;
+	const Bool*   tup1  = NULL;
+	{
+		Forge::ScopedTuple scoped_tuple(forge);
+		tup0  = &*forge.string("foo", strlen("foo"));
+		tup1  = &*forge.write(true);
+		tuple = &*scoped_tuple;
+	}
+	std::vector<const Atom*> elements;
+	for (const Atom& atom : *tuple) {
+		elements.push_back(&atom);
+	}
+	if (elements.size() != 2) {
+		return test_fail("Short tuple iteration\n");
+	} else if (*elements[0] != *tup0) {
+		return test_fail("Incorrect first tuple element\n");
+	} else if (*elements[1] != *tup1) {
+		return test_fail("Incorrect second tuple element\n");
+	}
+
+	// eg_vector = (Vector<Int>)1,2,3,4
+	obj.key(eg_vector);
+	const int32_t elems[]         = { 1, 2, 3, 4 };
+	const Vector<int32_t>& vector = forge.vector(forge.Int, 4, elems);
+	if (memcmp(elems, vector.data(), sizeof(elems))) {
+		return test_fail("Corrupt vector\n");
+	}
+	int32_t sum = 0;
+	for (const int32_t i : vector) {
+		sum += i;
+	}
+	if (sum != 1 + 2 + 3 + 4) {
+		return test_fail("Corrupt vector sum\n");
+	}
+
+	// eg_vector2 = (Vector<Int>)1,2,3,4
+	obj.key(eg_vector2);
+	const Vector<int32_t>* vector2 = NULL;
+	{
+		Forge::ScopedVector<int32_t> scoped_vector(forge, forge.Int);
+		for (unsigned e = 0; e < sizeof(elems) / sizeof(int32_t); ++e) {
+			forge.write(elems[e]);
+		}
+		vector2 = &*scoped_vector;
+	}
+	if (vector != *vector2) {
+		return test_fail("Vector != Vector2\n");
+	}
+
+	// eg_seq = (Sequence)1, 2
+	obj.key(eg_seq);
+	const Sequence* seq = NULL;
+	{
+		Forge::ScopedSequence scoped_sequence(forge, 0);
+		scoped_sequence.frame_time(0);
+		forge.write(1);
+		scoped_sequence.frame_time(1);
+		forge.write(2);
+		seq = &*scoped_sequence;
+	}
+
+	// Test equality
+	if (one == two) {
+		return test_fail("1 == 2.0\n");
+	} else if (one != one) {
+		return test_fail("1 != 1\n");
+	}
+
+	unsigned n_events = 0;
+	for (const Event& ev : *seq) {
+		if (ev.time.frames != n_events) {
+			return test_fail("Corrupt event %u has bad time\n", n_events);
+		} else if (ev.body.type != forge.Int) {
+			return test_fail("Corrupt event %u has bad type\n", n_events);
+		} else if (((LV2_Atom_Int*)&ev.body)->body != (int)n_events + 1) {
+			return test_fail("Event %u != %d\n", n_events, n_events + 1);
+		}
+		++n_events;
+	}
+
+	unsigned n_props = 0;
+	for (const Property::Body& prop : *obj) {
+		if (!prop.key) {
+			return test_fail("Corrupt property %u has no key\n", n_props);
+		} else if (prop.context) {
+			return test_fail("Corrupt property %u has context\n", n_props);
+		}
+		++n_props;
+	}
+
+	if (n_props != NUM_PROPS) {
+		return test_fail("Corrupt object has %u properties != %u\n",
+		                 n_props, NUM_PROPS);
+	}
+
+	struct {
+		const LV2_Atom* one;
+		const LV2_Atom* two;
+		const LV2_Atom* three;
+		const LV2_Atom* four;
+		const LV2_Atom* affirmative;
+		const LV2_Atom* negative;
+		const LV2_Atom* path;
+		const LV2_Atom* uri;
+		const LV2_Atom* urid;
+		const LV2_Atom* string;
+		const LV2_Atom* literal;
+		const LV2_Atom* tuple;
+		const LV2_Atom* vector;
+		const LV2_Atom* vector2;
+		const LV2_Atom* seq;
+	} matches;
+
+	memset(&matches, 0, sizeof(matches));
+
+	LV2_Atom_Object_Query q[] = {
+		{ eg_one,     &matches.one },
+		{ eg_two,     &matches.two },
+		{ eg_three,   &matches.three },
+		{ eg_four,    &matches.four },
+		{ eg_true,    &matches.affirmative },
+		{ eg_false,   &matches.negative },
+		{ eg_path,    &matches.path },
+		{ eg_uri,     &matches.uri },
+		{ eg_urid,    &matches.urid },
+		{ eg_string,  &matches.string },
+		{ eg_literal, &matches.literal },
+		{ eg_tuple,   &matches.tuple },
+		{ eg_vector,  &matches.vector },
+		{ eg_vector2, &matches.vector2 },
+		{ eg_seq,     &matches.seq },
+		LV2_ATOM_OBJECT_QUERY_END
+	};
+
+	unsigned n_matches = lv2_atom_object_query(&*obj, q);
+	for (int n = 0; n < 2; ++n) {
+		if (n_matches != n_props) {
+			return test_fail("Query failed, %u matches != %u\n",
+			                 n_matches, n_props);
+		} else if (one != *matches.one) {
+			return test_fail("Bad match one\n");
+		} else if (two != *matches.two) {
+			return test_fail("Bad match two\n");
+		} else if (three != *matches.three) {
+			return test_fail("Bad match three\n");
+		} else if (four != *matches.four) {
+			return test_fail("Bad match four\n");
+		} else if (t != *matches.affirmative) {
+			return test_fail("Bad match true\n");
+		} else if (f != *matches.negative) {
+			return test_fail("Bad match false\n");
+		} else if (path != *matches.path) {
+			return test_fail("Bad match path\n");
+		} else if (uri != *matches.uri) {
+			return test_fail("Bad match URI\n");
+		} else if (string != *matches.string) {
+			return test_fail("Bad match string\n");
+		} else if (literal != *matches.literal) {
+			return test_fail("Bad match literal\n");
+		} else if (*tuple != *matches.tuple) {
+			return test_fail("Bad match tuple\n");
+		} else if (vector != *matches.vector) {
+			return test_fail("Bad match vector\n");
+		} else if (vector != *matches.vector2) {
+			return test_fail("Bad match vector2\n");
+		} else if (*seq != *matches.seq) {
+			return test_fail("Bad match sequence\n");
+		}
+		memset(&matches, 0, sizeof(matches));
+		n_matches = lv2_atom_object_get((LV2_Atom_Object*)&*obj,
+		                                eg_one,     &matches.one,
+		                                eg_two,     &matches.two,
+		                                eg_three,   &matches.three,
+		                                eg_four,    &matches.four,
+		                                eg_true,    &matches.affirmative,
+		                                eg_false,   &matches.negative,
+		                                eg_path,    &matches.path,
+		                                eg_uri,     &matches.uri,
+		                                eg_urid,    &matches.urid,
+		                                eg_string,  &matches.string,
+		                                eg_literal, &matches.literal,
+		                                eg_tuple,   &matches.tuple,
+		                                eg_vector,  &matches.vector,
+		                                eg_vector2, &matches.vector2,
+		                                eg_seq,     &matches.seq,
+		                                0);
+	}
+
+	free_urid_map();
+
+	return 0;
+}