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-rw-r--r--core.lv2/lv2config.c461
1 files changed, 0 insertions, 461 deletions
diff --git a/core.lv2/lv2config.c b/core.lv2/lv2config.c
deleted file mode 100644
index df647e7..0000000
--- a/core.lv2/lv2config.c
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- Copyright 2011 David Robillard <http://drobilla.net>
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
- OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
- THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#define _XOPEN_SOURCE 500
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <dirent.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#ifdef __WIN32__
-#define _WIN32_WINNT 0x0600
-#include <windows.h>
-#define symlink(src, dst) (!CreateSymbolicLink((src), (dst), 0))
-#define mkdir(path, mode) mkdir(path)
-#endif
-
-#include "serd-0.1.0.h"
-
-#include "lv2-config.h"
-
-#ifdef HAVE_WORDEXP
-#include <wordexp.h>
-#endif
-
-#define NS_RDF "http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-#define NS_LV2 "http://lv2plug.in/ns/lv2core#"
-
-static const size_t file_scheme_len = 7; /* strlen("file://") */
-
-/** Record of an LV2 specification. */
-typedef struct _Spec {
- SerdNode uri;
- char* manifest;
- const char* inc_dir;
-} Spec;
-
-/** Global lv2config state. */
-typedef struct {
- SerdReader reader;
- SerdReadState state;
- const char* destdir;
- const uint8_t* current_file;
- const char* current_inc_dir;
- Spec* specs;
- size_t n_specs;
-} World;
-
-/** Append a discovered specification to world->specs. */
-static void
-specs_add(World* world,
- SerdNode* uri,
- const uint8_t* manifest,
- const char* inc_dir)
-{
- world->specs = realloc(world->specs, sizeof(Spec) * (world->n_specs + 1));
- world->specs[world->n_specs].uri = *uri;
- world->specs[world->n_specs].manifest = strdup((const char*)manifest);
- world->specs[world->n_specs].inc_dir = inc_dir;
- ++world->n_specs;
-}
-
-/** Free world->specs. */
-static void
-specs_free(World* world)
-{
- for (size_t i = 0; i < world->n_specs; ++i) {
- Spec* spec = &world->specs[i];
- serd_node_free(&spec->uri);
- free(spec->manifest);
- }
- free(world->specs);
- world->specs = NULL;
- world->n_specs = 0;
-}
-
-/** Reader base directive handler. */
-static bool
-on_base(void* handle,
- const SerdNode* uri_node)
-{
- World* const world = (World*)handle;
- return serd_read_state_set_base_uri(world->state, uri_node);
-}
-
-/** Reader prefix directive handler. */
-static bool
-on_prefix(void* handle,
- const SerdNode* name,
- const SerdNode* uri_node)
-{
- World* const world = (World*)handle;
- return serd_read_state_set_prefix(world->state, name, uri_node);
-}
-
-/** Reader statement handler. */
-static bool
-on_statement(void* handle,
- const SerdNode* graph,
- const SerdNode* subject,
- const SerdNode* predicate,
- const SerdNode* object,
- const SerdNode* object_datatype,
- const SerdNode* object_lang)
-{
- World* world = (World*)handle;
- SerdReadState state = world->state;
- SerdNode abs_s = serd_read_state_expand(state, subject);
- SerdNode abs_p = serd_read_state_expand(state, predicate);
- SerdNode abs_o = serd_read_state_expand(state, object);
-
- if (abs_s.buf && abs_p.buf && abs_o.buf
- && !strcmp((const char*)abs_p.buf, NS_RDF "type")
- && !strcmp((const char*)abs_o.buf, NS_LV2 "Specification")) {
- specs_add(world, &abs_s, world->current_file, world->current_inc_dir);
- } else {
- serd_node_free(&abs_s);
- }
- serd_node_free(&abs_p);
- serd_node_free(&abs_o);
- return true;
-}
-
-/** Add any specifications found in a manifest.ttl to world->specs. */
-static void
-discover_manifest(World* world, const char* uri)
-{
- SerdEnv env = serd_env_new();
-
- world->state = serd_read_state_new(env, (const uint8_t*)uri);
-
- const char* const path = uri + file_scheme_len;
- FILE* fd = fopen(path, "r");
- if (fd) {
- world->current_file = (const uint8_t*)uri;
- if (!serd_reader_read_file(world->reader, fd, (const uint8_t*)uri)) {
- fprintf(stderr, "lv2config: error reading <%s>\n", path);
- }
- world->current_file = NULL;
- fclose(fd);
- } else {
- fprintf(stderr, "lv2config: failed to open <%s>\n", path);
- }
-
- serd_read_state_free(world->state);
- serd_env_free(env);
- world->state = NULL;
-}
-
-/** Expand variables (e.g. POSIX ~ or $FOO, Windows %FOO%) in @a path. */
-static char*
-expand(const char* path)
-{
-#ifdef HAVE_WORDEXP
- char* ret = NULL;
- wordexp_t p;
- wordexp(path, &p, 0);
- if (p.we_wordc == 0) {
- /* Literal directory path (e.g. no variables or ~) */
- ret = strdup(path);
- } else if (p.we_wordc == 1) {
- /* Directory path expands (e.g. contains ~ or $FOO) */
- ret = strdup(p.we_wordv[0]);
- } else {
- /* Multiple expansions in a single directory path? */
- fprintf(stderr, "lv2config: malformed path `%s' ignored\n", path);
- }
- wordfree(&p);
-#elif defined(__WIN32__)
- static const size_t len = 32767;
- char* ret = malloc(len);
- ExpandEnvironmentStrings(path, ret, len);
-#else
- char* ret = strdup(path);
-#endif
- return ret;
-}
-
-/** Return the corresponding output path (prepend destdir if applicable). */
-static char*
-output_dir(const char* path, const char* destdir)
-{
- if (destdir) {
- size_t len = strlen(destdir) + strlen(path);
- char* ret = malloc(len + 1);
- snprintf(ret, len + 1, "%s%s", destdir, path);
- return ret;
- } else {
- return strdup(path);
- }
-}
-
-/** Scan all bundles in path (i.e. scan all path/foo.lv2/manifest.ttl). */
-static void
-discover_dir(World* world, const char* dir_path, const char* inc_dir)
-{
- char* expanded_path = expand(dir_path);
- if (!expanded_path) {
- return;
- }
-
- char* full_path = output_dir(expanded_path, world->destdir);
- free(expanded_path);
-
- DIR* dir = opendir(full_path);
- if (!dir) {
- free(full_path);
- return;
- }
-
- world->current_inc_dir = inc_dir;
-
- struct dirent* file;
- while ((file = readdir(dir))) {
- if (!strcmp(file->d_name, ".") || !strcmp(file->d_name, "..")) {
- continue;
- }
-
- char* uri = malloc(file_scheme_len
- + strlen(full_path) + 1
- + strlen(file->d_name) + 1
- + strlen("manifest.ttl") + 1);
-
- sprintf(uri, "file://%s/%s/manifest.ttl",
- full_path, file->d_name);
-
- discover_manifest(world, uri);
- free(uri);
- }
-
- closedir(dir);
- free(full_path);
-}
-
-/** Add all specifications in lv2_path to world->specs. */
-static void
-discover_path(World* world, const char* lv2_path, const char* inc_dir)
-{
- /* Call discover_dir for each component of lv2_path,
- which will build world->specs (a linked list of struct Spec).
- */
- while (lv2_path[0] != '\0') {
- const char* const sep = strchr(lv2_path, LV2CORE_PATH_SEP[0]);
- if (sep) {
- const size_t dir_len = sep - lv2_path;
- char* const dir = malloc(dir_len + 1);
- memcpy(dir, lv2_path, dir_len);
- dir[dir_len] = '\0';
- discover_dir(world, dir, inc_dir);
- free(dir);
- lv2_path += dir_len + 1;
- } else {
- discover_dir(world, lv2_path, inc_dir);
- lv2_path = "\0";
- }
- }
-
- /* TODO: Check revisions */
-}
-
-/** Create all parent directories of dir_path, but not dir_path itself. */
-static int
-mkdir_parents(const char* dir_path)
-{
- char* path = strdup(dir_path);
- const size_t path_len = strlen(path);
- for (size_t i = 1; i <= path_len; ++i) {
- if (path[i] == LV2CORE_DIR_SEP[0]) {
- path[i] = '\0';
- if (mkdir(path, 0755) && errno != EEXIST) {
- fprintf(stderr, "lv2config: Failed to create %s (%s)\n",
- path, strerror(errno));
- free(path);
- return 1;
- }
- path[i] = LV2CORE_DIR_SEP[0];
- }
- }
-
- free(path);
- return 0;
-}
-
-/** Order specifications by URI. */
-static int
-spec_cmp(const void* a_ptr, const void* b_ptr)
-{
- const Spec* a = (const Spec*)a_ptr;
- const Spec* b = (const Spec*)b_ptr;
- return strcmp((const char*)a->uri.buf, (const char*)b->uri.buf);
-}
-
-
-/** Build an LV2 include tree for all specifications. */
-static void
-output_includes(World* world)
-{
- /* Sort specs array. */
- qsort(world->specs, world->n_specs, sizeof(Spec), spec_cmp);
-
- /* Make a link in the include tree for each specification bundle. */
- const Spec* last_spec = NULL;
- for (unsigned i = 0; i < world->n_specs; ++i) {
- const Spec* const spec = &world->specs[i];
-
- /* Skip duplicate extensions with a warning. */
- if (last_spec && !strcmp((const char*)last_spec->uri.buf,
- (const char*)spec->uri.buf)) {
- fprintf(stderr,
- "lv2config: %s: warning: Duplicate extension <%s>.\n"
- "lv2config: %s: note: Using this version.\n",
- last_spec->manifest + file_scheme_len,
- (const char*)spec->uri.buf,
- spec->manifest + file_scheme_len);
-
- continue;
- }
- last_spec = spec;
-
- /* Build path to include directory for this specification. */
-
- const char* path = strchr((const char*)spec->uri.buf, ':');
- if (!path) {
- fprintf(stderr, "lv2config: Invalid URI <%s>\n", spec->uri.buf);
- continue;
- }
- for (++path; (path[0] == '/' && path[0] != '\0'); ++path) {}
-
- const char* bundle_uri = spec->manifest;
- char* bundle_path = strdup(bundle_uri + file_scheme_len);
- char* last_sep = strrchr(bundle_path, LV2CORE_DIR_SEP[0]);
- if (last_sep) {
- *(last_sep + 1) = '\0';
- }
-
- char* full_dest = output_dir(spec->inc_dir, world->destdir);
- size_t len = strlen(full_dest) + 1 + strlen(path);
- char* rel_inc_path = malloc(len + 1);
- snprintf(rel_inc_path, len + 1, "%s/%s", full_dest, path);
- free(full_dest);
-
- char* inc_path = expand(rel_inc_path);
- free(rel_inc_path);
- printf("%s => %s\n", inc_path, bundle_path);
-
- /* Create parent directory. */
- if (mkdir_parents(inc_path)) {
- continue;
- }
-
- /* Remove existing link for this bundle. */
- if (!access(inc_path, F_OK) && unlink(inc_path)) {
- fprintf(stderr, "lv2config: Failed to remove %s (%s)\n",
- inc_path, strerror(errno));
- free(inc_path);
- free(bundle_path);
- continue;
- }
-
- char* link_path = bundle_path;
- if (world->destdir) {
- const size_t destdir_len = strlen(world->destdir);
- if (!strncmp(link_path, world->destdir, destdir_len)) {
- link_path += destdir_len;
- }
- }
-
- /* Create link to this bundle in include tree. */
- if (symlink(link_path, inc_path)) {
- fprintf(stderr, "lv2config: Failed to create link (%s)\n",
- strerror(errno));
- }
-
- free(inc_path);
- free(bundle_path);
- }
-}
-
-static int
-usage(const char* name, bool error)
-{
- FILE* out = (error ? stderr : stdout);
- fprintf(out, "Usage: %s\n", name);
- fprintf(out, "Build the default system LV2 include directories.\n\n");
-
- fprintf(out, "Usage: %s INCLUDE_DIR\n", name);
- fprintf(out, "Build an LV2 include directory tree at INCLUDE_DIR\n");
- fprintf(out, "for all extensions found in $LV2_PATH.\n\n");
-
- fprintf(out, "Usage: %s INCLUDE_DIR BUNDLES_DIR\n", name);
- fprintf(out, "Build an lv2 include directory tree at INCLUDE_DIR\n");
- fprintf(out, "for all extensions found in bundles under BUNDLES_DIR.\n");
- return (error ? EXIT_FAILURE : EXIT_SUCCESS);
-}
-
-int
-main(int argc, char** argv)
-{
- World world = { NULL, NULL, NULL, NULL, NULL, NULL, 0 };
- world.reader = serd_reader_new(
- SERD_TURTLE, &world, on_base, on_prefix, on_statement, NULL);
-
- const char* destdir = getenv("DESTDIR");
- if (destdir && destdir[0] != '\0') {
- world.destdir = destdir;
- }
-
- if (argc == 1) {
- /* lv2_config */
- discover_dir(&world, "/usr/local/lib/lv2", "/usr/local/include/lv2");
- discover_dir(&world, "/usr/lib/lv2", "/usr/include/lv2");
- } else if (argv[1][0] == '-') {
- return usage(argv[0], false);
- } else if (argc == 2) {
- /* lv2_config INCLUDE_DIR */
- const char* lv2_path = getenv("LV2_PATH");
- if (!lv2_path) {
- lv2_path = LV2CORE_DEFAULT_LV2_PATH;
- }
- discover_path(&world, lv2_path, argv[1]);
- } else if (argc == 3) {
- /* lv2_config INCLUDE_DIR LV2_PATH */
- discover_path(&world, argv[2], argv[1]);
- } else {
- return usage(argv[0], true);
- }
-
- output_includes(&world);
-
- specs_free(&world);
- serd_reader_free(world.reader);
-
- return 0;
-}
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