示例#1
0
文件: svndump.c 项目: mwisnicki/git
static void handle_node(void)
{
	if (node_ctx.propLength != LENGTH_UNKNOWN && node_ctx.propLength)
		read_props();

	if (node_ctx.srcRev)
		node_ctx.srcMode = repo_copy(node_ctx.srcRev, node_ctx.src, node_ctx.dst);

	if (node_ctx.textLength != LENGTH_UNKNOWN &&
	    node_ctx.type != REPO_MODE_DIR)
		node_ctx.mark = next_blob_mark();

	if (node_ctx.action == NODEACT_DELETE) {
		repo_delete(node_ctx.dst);
	} else if (node_ctx.action == NODEACT_CHANGE ||
			   node_ctx.action == NODEACT_REPLACE) {
		if (node_ctx.action == NODEACT_REPLACE &&
		    node_ctx.type == REPO_MODE_DIR)
			repo_replace(node_ctx.dst, node_ctx.mark);
		else if (node_ctx.propLength != LENGTH_UNKNOWN)
			repo_modify(node_ctx.dst, node_ctx.type, node_ctx.mark);
		else if (node_ctx.textLength != LENGTH_UNKNOWN)
			node_ctx.srcMode = repo_replace(node_ctx.dst, node_ctx.mark);
	} else if (node_ctx.action == NODEACT_ADD) {
		if (node_ctx.srcRev && node_ctx.propLength != LENGTH_UNKNOWN)
			repo_modify(node_ctx.dst, node_ctx.type, node_ctx.mark);
		else if (node_ctx.srcRev && node_ctx.textLength != LENGTH_UNKNOWN)
			node_ctx.srcMode = repo_replace(node_ctx.dst, node_ctx.mark);
		else if ((node_ctx.type == REPO_MODE_DIR && !node_ctx.srcRev) ||
			 node_ctx.textLength != LENGTH_UNKNOWN)
			repo_add(node_ctx.dst, node_ctx.type, node_ctx.mark);
	}

	if (node_ctx.propLength == LENGTH_UNKNOWN && node_ctx.srcMode)
		node_ctx.type = node_ctx.srcMode;

	if (node_ctx.mark)
		fast_export_blob(node_ctx.type, node_ctx.mark, node_ctx.textLength);
	else if (node_ctx.textLength != LENGTH_UNKNOWN)
		buffer_skip_bytes(node_ctx.textLength);
}
示例#2
0
/*
 * Read the default properties from inetd's defaults property group.
 */
inetd_prop_t *
read_default_props(scf_handle_t *h, size_t *num_elements, scf_error_t *err)
{
	return (read_props(h, NULL, num_elements, err));
}
示例#3
0
/*
 * Read all properties applicable to 'instance' (including defaults).
 */
inetd_prop_t *
read_instance_props(scf_handle_t *h, const char *instance, size_t *num_elements,
    scf_error_t *err)
{
	return (read_props(h, instance, num_elements, err));
}
示例#4
0
文件: svndump.c 项目: mwisnicki/git
void svndump_read(const char *url)
{
	char *val;
	char *t;
	uint32_t active_ctx = DUMP_CTX;
	uint32_t len;
	uint32_t key;

	reset_dump_ctx(pool_intern(url));
	while ((t = buffer_read_line())) {
		val = strstr(t, ": ");
		if (!val)
			continue;
		*val++ = '\0';
		*val++ = '\0';
		key = pool_intern(t);

		if (key == keys.uuid) {
			dump_ctx.uuid = pool_intern(val);
		} else if (key == keys.revision_number) {
			if (active_ctx == NODE_CTX)
				handle_node();
			if (active_ctx != DUMP_CTX)
				handle_revision();
			active_ctx = REV_CTX;
			reset_rev_ctx(atoi(val));
		} else if (key == keys.node_path) {
			if (active_ctx == NODE_CTX)
				handle_node();
			active_ctx = NODE_CTX;
			reset_node_ctx(val);
		} else if (key == keys.node_kind) {
			if (!strcmp(val, "dir"))
				node_ctx.type = REPO_MODE_DIR;
			else if (!strcmp(val, "file"))
				node_ctx.type = REPO_MODE_BLB;
			else
				fprintf(stderr, "Unknown node-kind: %s\n", val);
		} else if (key == keys.node_action) {
			if (!strcmp(val, "delete")) {
				node_ctx.action = NODEACT_DELETE;
			} else if (!strcmp(val, "add")) {
				node_ctx.action = NODEACT_ADD;
			} else if (!strcmp(val, "change")) {
				node_ctx.action = NODEACT_CHANGE;
			} else if (!strcmp(val, "replace")) {
				node_ctx.action = NODEACT_REPLACE;
			} else {
				fprintf(stderr, "Unknown node-action: %s\n", val);
				node_ctx.action = NODEACT_UNKNOWN;
			}
		} else if (key == keys.node_copyfrom_path) {
			pool_tok_seq(REPO_MAX_PATH_DEPTH, node_ctx.src, "/", val);
		} else if (key == keys.node_copyfrom_rev) {
			node_ctx.srcRev = atoi(val);
		} else if (key == keys.text_content_length) {
			node_ctx.textLength = atoi(val);
		} else if (key == keys.prop_content_length) {
			node_ctx.propLength = atoi(val);
		} else if (key == keys.content_length) {
			len = atoi(val);
			buffer_read_line();
			if (active_ctx == REV_CTX) {
				read_props();
			} else if (active_ctx == NODE_CTX) {
				handle_node();
				active_ctx = REV_CTX;
			} else {
				fprintf(stderr, "Unexpected content length header: %d\n", len);
				buffer_skip_bytes(len);
			}
		}
	}
	if (active_ctx == NODE_CTX)
		handle_node();
	if (active_ctx != DUMP_CTX)
		handle_revision();
}
示例#5
0
void svndump_read(const char *url)
{
	char *val;
	char *t;
	uint32_t active_ctx = DUMP_CTX;
	uint32_t len;

	reset_dump_ctx(url);
	while ((t = buffer_read_line(&input))) {
		val = strchr(t, ':');
		if (!val)
			continue;
		val++;
		if (*val != ' ')
			continue;
		val++;

		/* strlen(key) + 1 */
		switch (val - t - 1) {
		case sizeof("SVN-fs-dump-format-version"):
			if (constcmp(t, "SVN-fs-dump-format-version"))
				continue;
			dump_ctx.version = atoi(val);
			if (dump_ctx.version > 3)
				die("expected svn dump format version <= 3, found %"PRIu32,
				    dump_ctx.version);
			break;
		case sizeof("UUID"):
			if (constcmp(t, "UUID"))
				continue;
			strbuf_reset(&dump_ctx.uuid);
			strbuf_addstr(&dump_ctx.uuid, val);
			break;
		case sizeof("Revision-number"):
			if (constcmp(t, "Revision-number"))
				continue;
			if (active_ctx == NODE_CTX)
				handle_node();
			if (active_ctx == REV_CTX)
				begin_revision();
			if (active_ctx != DUMP_CTX)
				end_revision();
			active_ctx = REV_CTX;
			reset_rev_ctx(atoi(val));
			break;
		case sizeof("Node-path"):
			if (prefixcmp(t, "Node-"))
				continue;
			if (!constcmp(t + strlen("Node-"), "path")) {
				if (active_ctx == NODE_CTX)
					handle_node();
				if (active_ctx == REV_CTX)
					begin_revision();
				active_ctx = NODE_CTX;
				reset_node_ctx(val);
				break;
			}
			if (constcmp(t + strlen("Node-"), "kind"))
				continue;
			if (!strcmp(val, "dir"))
				node_ctx.type = REPO_MODE_DIR;
			else if (!strcmp(val, "file"))
				node_ctx.type = REPO_MODE_BLB;
			else
				fprintf(stderr, "Unknown node-kind: %s\n", val);
			break;
		case sizeof("Node-action"):
			if (constcmp(t, "Node-action"))
				continue;
			if (!strcmp(val, "delete")) {
				node_ctx.action = NODEACT_DELETE;
			} else if (!strcmp(val, "add")) {
				node_ctx.action = NODEACT_ADD;
			} else if (!strcmp(val, "change")) {
				node_ctx.action = NODEACT_CHANGE;
			} else if (!strcmp(val, "replace")) {
				node_ctx.action = NODEACT_REPLACE;
			} else {
				fprintf(stderr, "Unknown node-action: %s\n", val);
				node_ctx.action = NODEACT_UNKNOWN;
			}
			break;
		case sizeof("Node-copyfrom-path"):
			if (constcmp(t, "Node-copyfrom-path"))
				continue;
			strbuf_reset(&node_ctx.src);
			strbuf_addstr(&node_ctx.src, val);
			break;
		case sizeof("Node-copyfrom-rev"):
			if (constcmp(t, "Node-copyfrom-rev"))
				continue;
			node_ctx.srcRev = atoi(val);
			break;
		case sizeof("Text-content-length"):
			if (!constcmp(t, "Text-content-length")) {
				char *end;
				uintmax_t textlen;

				textlen = strtoumax(val, &end, 10);
				if (!isdigit(*val) || *end)
					die("invalid dump: non-numeric length %s", val);
				if (textlen > maximum_signed_value_of_type(off_t))
					die("unrepresentable length in dump: %s", val);
				node_ctx.text_length = (off_t) textlen;
				break;
			}
			if (constcmp(t, "Prop-content-length"))
				continue;
			node_ctx.propLength = atoi(val);
			break;
		case sizeof("Text-delta"):
			if (!constcmp(t, "Text-delta")) {
				node_ctx.text_delta = !strcmp(val, "true");
				break;
			}
			if (constcmp(t, "Prop-delta"))
				continue;
			node_ctx.prop_delta = !strcmp(val, "true");
			break;
		case sizeof("Content-length"):
			if (constcmp(t, "Content-length"))
				continue;
			len = atoi(val);
			t = buffer_read_line(&input);
			if (!t)
				die_short_read();
			if (*t)
				die("invalid dump: expected blank line after content length header");
			if (active_ctx == REV_CTX) {
				read_props();
			} else if (active_ctx == NODE_CTX) {
				handle_node();
				active_ctx = INTERNODE_CTX;
			} else {
				fprintf(stderr, "Unexpected content length header: %"PRIu32"\n", len);
				if (buffer_skip_bytes(&input, len) != len)
					die_short_read();
			}
		}
	}
	if (buffer_ferror(&input))
		die_short_read();
	if (active_ctx == NODE_CTX)
		handle_node();
	if (active_ctx == REV_CTX)
		begin_revision();
	if (active_ctx != DUMP_CTX)
		end_revision();
}
示例#6
0
static void handle_node(void)
{
	const uint32_t type = node_ctx.type;
	const int have_props = node_ctx.propLength != LENGTH_UNKNOWN;
	const int have_text = node_ctx.text_length != -1;
	/*
	 * Old text for this node:
	 *  NULL	- directory or bug
	 *  empty_blob	- empty
	 *  "<dataref>"	- data retrievable from fast-import
	 */
	static const char *const empty_blob = "::empty::";
	const char *old_data = NULL;
	uint32_t old_mode = REPO_MODE_BLB;

	if (node_ctx.action == NODEACT_DELETE) {
		if (have_text || have_props || node_ctx.srcRev)
			die("invalid dump: deletion node has "
				"copyfrom info, text, or properties");
		repo_delete(node_ctx.dst.buf);
		return;
	}
	if (node_ctx.action == NODEACT_REPLACE) {
		repo_delete(node_ctx.dst.buf);
		node_ctx.action = NODEACT_ADD;
	}
	if (node_ctx.srcRev) {
		repo_copy(node_ctx.srcRev, node_ctx.src.buf, node_ctx.dst.buf);
		if (node_ctx.action == NODEACT_ADD)
			node_ctx.action = NODEACT_CHANGE;
	}
	if (have_text && type == REPO_MODE_DIR)
		die("invalid dump: directories cannot have text attached");

	/*
	 * Find old content (old_data) and decide on the new mode.
	 */
	if (node_ctx.action == NODEACT_CHANGE && !*node_ctx.dst.buf) {
		if (type != REPO_MODE_DIR)
			die("invalid dump: root of tree is not a regular file");
		old_data = NULL;
	} else if (node_ctx.action == NODEACT_CHANGE) {
		uint32_t mode;
		old_data = repo_read_path(node_ctx.dst.buf, &mode);
		if (mode == REPO_MODE_DIR && type != REPO_MODE_DIR)
			die("invalid dump: cannot modify a directory into a file");
		if (mode != REPO_MODE_DIR && type == REPO_MODE_DIR)
			die("invalid dump: cannot modify a file into a directory");
		node_ctx.type = mode;
		old_mode = mode;
	} else if (node_ctx.action == NODEACT_ADD) {
		if (type == REPO_MODE_DIR)
			old_data = NULL;
		else if (have_text)
			old_data = empty_blob;
		else
			die("invalid dump: adds node without text");
	} else {
		die("invalid dump: Node-path block lacks Node-action");
	}

	/*
	 * Adjust mode to reflect properties.
	 */
	if (have_props) {
		if (!node_ctx.prop_delta)
			node_ctx.type = type;
		if (node_ctx.propLength)
			read_props();
	}

	/*
	 * Save the result.
	 */
	if (type == REPO_MODE_DIR)	/* directories are not tracked. */
		return;
	assert(old_data);
	if (old_data == empty_blob)
		/* For the fast_export_* functions, NULL means empty. */
		old_data = NULL;
	if (!have_text) {
		fast_export_modify(node_ctx.dst.buf, node_ctx.type, old_data);
		return;
	}
	if (!node_ctx.text_delta) {
		fast_export_modify(node_ctx.dst.buf, node_ctx.type, "inline");
		fast_export_data(node_ctx.type, node_ctx.text_length, &input);
		return;
	}
	fast_export_modify(node_ctx.dst.buf, node_ctx.type, "inline");
	fast_export_blob_delta(node_ctx.type, old_mode, old_data,
				node_ctx.text_length, &input);
}