int h2o_configurator_apply_commands(h2o_configurator_context_t *ctx, yoml_t *node, int flags_mask, const char **ignore_commands)
{
struct st_cmd_value_t {
h2o_configurator_command_t *cmd;
yoml_t *value;
};
H2O_VECTOR(struct st_cmd_value_t) deferred = {}, semi_deferred = {};
size_t i;
int ret = -1;
if (node->type != YOML_TYPE_MAPPING) {
h2o_configurator_errprintf(NULL, node, "node must be a MAPPING");
goto Exit;
}
/* call on_enter of every configurator */
if (setup_configurators(ctx, 1, node) != 0)
goto Exit;
/* handle the configuration commands */
for (i = 0; i != node->data.mapping.size; ++i) {
yoml_t *key = node->data.mapping.elements[i].key, *value = node->data.mapping.elements[i].value;
h2o_configurator_command_t *cmd;
/* obtain the target command */
if (key->type != YOML_TYPE_SCALAR) {
h2o_configurator_errprintf(NULL, key, "command must be a string");
goto Exit;
}
if (ignore_commands != NULL) {
size_t i;
for (i = 0; ignore_commands[i] != NULL; ++i)
if (strcmp(ignore_commands[i], key->data.scalar) == 0)
goto SkipCommand;
}
if ((cmd = h2o_configurator_get_command(ctx->globalconf, key->data.scalar)) == NULL) {
h2o_configurator_errprintf(NULL, key, "unknown command: %s", key->data.scalar);
goto Exit;
}
if ((cmd->flags & flags_mask) == 0) {
h2o_configurator_errprintf(cmd, key, "the command cannot be used at this level");
goto Exit;
}
/* check value type */
if ((cmd->flags & (H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR | H2O_CONFIGURATOR_FLAG_EXPECT_SEQUENCE |
H2O_CONFIGURATOR_FLAG_EXPECT_MAPPING)) != 0) {
switch (value->type) {
case YOML_TYPE_SCALAR:
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR) == 0) {
h2o_configurator_errprintf(cmd, value, "argument cannot be a scalar");
goto Exit;
}
break;
case YOML_TYPE_SEQUENCE:
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_EXPECT_SEQUENCE) == 0) {
h2o_configurator_errprintf(cmd, value, "argument cannot be a sequence");
goto Exit;
}
break;
case YOML_TYPE_MAPPING:
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_EXPECT_MAPPING) == 0) {
h2o_configurator_errprintf(cmd, value, "argument cannot be a mapping");
goto Exit;
}
break;
default:
assert(!"unreachable");
break;
}
}
/* handle the command (or keep it for later execution) */
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_SEMI_DEFERRED) != 0) {
h2o_vector_push_back(NULL, &semi_deferred, ((struct st_cmd_value_t){cmd, value}));
} else if ((cmd->flags & H2O_CONFIGURATOR_FLAG_DEFERRED) != 0) {
int h2o_configurator_apply_commands(h2o_configurator_context_t *ctx, yoml_t *node, int flags_mask, const char **ignore_commands)
{
struct {
h2o_configurator_command_t *cmd;
yoml_t *value;
} *deferred;
size_t num_deferred = 0, i;
if (node->type != YOML_TYPE_MAPPING) {
h2o_configurator_errprintf(NULL, node, "node must be a MAPPING");
return -1;
}
deferred = alloca(sizeof(*deferred) * node->data.mapping.size);
/* call on_enter of every configurator */
if (setup_configurators(ctx, 1, node) != 0)
return -1;
/* handle the configuration commands */
for (i = 0; i != node->data.mapping.size; ++i) {
yoml_t *key = node->data.mapping.elements[i].key, *value = node->data.mapping.elements[i].value;
h2o_configurator_command_t *cmd;
/* obtain the target command */
if (key->type != YOML_TYPE_SCALAR) {
h2o_configurator_errprintf(NULL, key, "command must be a string");
return -1;
}
if (ignore_commands != NULL) {
size_t i;
for (i = 0; ignore_commands[i] != NULL; ++i)
if (strcmp(ignore_commands[i], key->data.scalar) == 0)
goto SkipCommand;
}
if ((cmd = h2o_configurator_get_command(ctx->globalconf, key->data.scalar)) == NULL) {
h2o_configurator_errprintf(NULL, key, "unknown command: %s", key->data.scalar);
return -1;
}
if ((cmd->flags & flags_mask) == 0) {
h2o_configurator_errprintf(cmd, key, "the command cannot be used at this level");
return -1;
}
/* check value type */
if ((cmd->flags & (H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR | H2O_CONFIGURATOR_FLAG_EXPECT_SEQUENCE |
H2O_CONFIGURATOR_FLAG_EXPECT_MAPPING)) != 0) {
switch (value->type) {
case YOML_TYPE_SCALAR:
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_EXPECT_SCALAR) == 0) {
h2o_configurator_errprintf(cmd, value, "argument cannot be a scalar");
return -1;
}
break;
case YOML_TYPE_SEQUENCE:
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_EXPECT_SEQUENCE) == 0) {
h2o_configurator_errprintf(cmd, value, "argument cannot be a sequence");
return -1;
}
break;
case YOML_TYPE_MAPPING:
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_EXPECT_MAPPING) == 0) {
h2o_configurator_errprintf(cmd, value, "argument cannot be a mapping");
return -1;
}
break;
default:
assert(!"unreachable");
break;
}
}
/* handle the command (or keep it for later execution) */
if ((cmd->flags & H2O_CONFIGURATOR_FLAG_DEFERRED) != 0) {
deferred[num_deferred].cmd = cmd;
deferred[num_deferred].value = value;
++num_deferred;
} else {
if (cmd->cb(cmd, ctx, value) != 0)
return -1;
}
SkipCommand:
;
}
for (i = 0; i != num_deferred; ++i) {
if (deferred[i].cmd->cb(deferred[i].cmd, ctx, deferred[i].value) != 0)
return -1;
}
/* call on_enter of every configurator */
if (setup_configurators(ctx, 0, node) != 0)
return -1;
return 0;
}
