static void read_props(void)
{
static struct strbuf key = STRBUF_INIT;
static struct strbuf val = STRBUF_INIT;
const char *t;
/*
* NEEDSWORK: to support simple mode changes like
* K 11
* svn:special
* V 1
* *
* D 14
* svn:executable
* we keep track of whether a mode has been set and reset to
* plain file only if not. We should be keeping track of the
* symlink and executable bits separately instead.
*/
uint32_t type_set = 0;
while ((t = buffer_read_line(&input)) && strcmp(t, "PROPS-END")) {
uint32_t len;
const char type = t[0];
int ch;
if (!type || t[1] != ' ')
die("invalid property line: %s\n", t);
len = atoi(&t[2]);
strbuf_reset(&val);
buffer_read_binary(&input, &val, len);
if (val.len < len)
die_short_read();
/* Discard trailing newline. */
ch = buffer_read_char(&input);
if (ch == EOF)
die_short_read();
if (ch != '\n')
die("invalid dump: expected newline after %s", val.buf);
switch (type) {
case 'K':
strbuf_swap(&key, &val);
continue;
case 'D':
handle_property(&val, NULL, &type_set);
continue;
case 'V':
handle_property(&key, &val, &type_set);
strbuf_reset(&key);
continue;
default:
die("invalid property line: %s\n", t);
}
}
}
void fast_export_blob(uint32_t mode, uint32_t mark, uint32_t len, struct line_buffer *input)
{
if (mode == REPO_MODE_LNK) {
/* svn symlink blobs start with "link " */
len -= 5;
if (buffer_skip_bytes(input, 5) != 5)
die_short_read(input);
}
printf("blob\nmark :%"PRIu32"\ndata %"PRIu32"\n", mark, len);
if (buffer_copy_bytes(input, len) != len)
die_short_read(input);
fputc('\n', stdout);
}
void fast_export_data(uint32_t mode, off_t len, struct line_buffer *input)
{
assert(len >= 0);
if (mode == REPO_MODE_LNK) {
/* svn symlink blobs start with "link " */
if (len < 5)
die("invalid dump: symlink too short for \"link\" prefix");
len -= 5;
if (buffer_skip_bytes(input, 5) != 5)
die_short_read(input);
}
printf("data %"PRIuMAX"\n", (uintmax_t) len);
if (buffer_copy_bytes(input, len) != len)
die_short_read(input);
fputc('\n', stdout);
}
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();
}
