From 114ff779287e6a3b8ddae1aa05524242703f4fcf Mon Sep 17 00:00:00 2001 From: David Robillard Date: Wed, 16 Mar 2011 18:38:15 +0000 Subject: Separate discovery from include hierarchy building. --- core.lv2/lv2config.c | 117 ++++++++++++++++++++++++++++----------------------- 1 file changed, 65 insertions(+), 52 deletions(-) (limited to 'core.lv2/lv2config.c') diff --git a/core.lv2/lv2config.c b/core.lv2/lv2config.c index e69b601..59939da 100644 --- a/core.lv2/lv2config.c +++ b/core.lv2/lv2config.c @@ -47,6 +47,7 @@ typedef struct _Spec { SerdNode uri; SerdNode manifest; + const char* inc_dir; } Spec; /** Global lv2config state. */ @@ -54,6 +55,7 @@ typedef struct { SerdReader reader; SerdReadState state; const uint8_t* current_file; + const char* current_inc_dir; Spec* specs; size_t n_specs; } World; @@ -62,12 +64,14 @@ typedef struct { void add_spec(World* world, SerdNode* uri, - const uint8_t* manifest) + 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 = serd_node_from_string( SERD_URI, (const uint8_t*)strdup((const char*)manifest)); + world->specs[world->n_specs].inc_dir = inc_dir; ++world->n_specs; } @@ -123,7 +127,7 @@ on_statement(void* handle, 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")) { - add_spec(world, &abs_s, world->current_file); + add_spec(world, &abs_s, world->current_file, world->current_inc_dir); } else { serd_node_free(&abs_s); } @@ -134,7 +138,7 @@ on_statement(void* handle, /** Add any specifications found in a manifest.ttl to world->specs. */ static void -scan_manifest(World* world, const char* uri) +discover_manifest(World* world, const char* uri) { SerdEnv env = serd_env_new(); @@ -183,9 +187,9 @@ expand(const char* path) /** Scan all bundles in path (i.e. scan all path/foo.lv2/manifest.ttl). */ void -scan_dir(World* world, const char* path) +discover_dir(World* world, const char* dir_path, const char* inc_dir) { - char* full_path = expand(path); + char* full_path = expand(dir_path); if (!full_path) { return; } @@ -196,6 +200,8 @@ scan_dir(World* world, const char* path) return; } + world->current_inc_dir = inc_dir; + struct dirent* file; while ((file = readdir(dir))) { if (!strcmp(file->d_name, ".") || !strcmp(file->d_name, "..")) { @@ -210,7 +216,7 @@ scan_dir(World* world, const char* path) sprintf(uri, "file://%s/%s/manifest.ttl", full_path, file->d_name); - scan_manifest(world, uri); + discover_manifest(world, uri); free(uri); } @@ -218,6 +224,47 @@ scan_dir(World* world, const char* path) free(full_path); } +/** Add all specifications in lv2_path to world->specs. */ +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 */ +} + +/** Return the output include dir based on path (prepend DESTDIR). */ +char* +output_dir(const char* path) +{ + char* destdir = getenv("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); + } +} + /** Create all parent directories of dir_path, but not dir_path itself. */ int mkdir_parents(const char* dir_path) @@ -243,48 +290,10 @@ mkdir_parents(const char* dir_path) return 0; } -/** Return the output include dir based on path (prepend DESTDIR). */ -char* -output_dir(const char* path) -{ - char* destdir = getenv("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); - } -} - -/** Build an LV2 include tree in dest for all bunles in lv2_path. */ +/** Build an LV2 include tree for all specifications. */ void -build_tree(World* world, const char* lv2_path, const char* dest) +build_trees(World* world) { - free_specs(world); - - /* Call scan_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'; - scan_dir(world, dir); - free(dir); - lv2_path += dir_len + 1; - } else { - scan_dir(world, lv2_path); - lv2_path = "\0"; - } - } - - /* TODO: Check revisions */ - /* Make a link in the include tree for each specification bundle. */ for (size_t i = 0; i < world->n_specs; ++i) { Spec* spec = &world->specs[i]; @@ -302,7 +311,7 @@ build_tree(World* world, const char* lv2_path, const char* dest) *(last_sep + 1) = '\0'; } - char* full_dest = output_dir(dest); + char* full_dest = output_dir(spec->inc_dir); 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); @@ -338,9 +347,11 @@ 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"); @@ -350,14 +361,14 @@ usage(const char* name, bool error) int main(int argc, char** argv) { - World world = { NULL, NULL, NULL, NULL, 0 }; + World world = { NULL, NULL, NULL, NULL, NULL, 0 }; world.reader = serd_reader_new( SERD_TURTLE, &world, on_base, on_prefix, on_statement, NULL); if (argc == 1) { /* lv2_config */ - build_tree(&world, "/usr/local/lib/lv2", "/usr/local/include/lv2"); - build_tree(&world, "/usr/lib/lv2", "/usr/include/lv2"); + 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) { @@ -366,14 +377,16 @@ main(int argc, char** argv) if (!lv2_path) { lv2_path = LV2CORE_DEFAULT_LV2_PATH; } - build_tree(&world, lv2_path, argv[1]); + discover_path(&world, lv2_path, argv[1]); } else if (argc == 3) { /* lv2_config INCLUDE_DIR BUNDLES_DIR */ - build_tree(&world, argv[2], argv[1]); + discover_dir(&world, argv[2], argv[1]); } else { return usage(argv[0], true); } + build_trees(&world); + free_specs(&world); serd_reader_free(world.reader); -- cgit v1.2.1