#include <apr_strings.h>
#include "Configuration.h"
#include "Types.h"
 
extern "C" {
 
void *
passenger_config_create_dir(apr_pool_t *p, char *dirspec) {
  RailsConfig *config = (RailsConfig *) apr_palloc(p, sizeof(RailsConfig));
  config->base_uri = NULL;
  config->base_uri_with_slash = NULL;
  config->env = NULL;
  return config;
}
 
void *
passenger_config_merge_dir(apr_pool_t *p, void *basev, void *addv) {
  RailsConfig *config = (RailsConfig *) apr_palloc(p, sizeof(RailsConfig));
  RailsConfig *base = (RailsConfig *) basev;
  RailsConfig *add = (RailsConfig *) addv;
  
  config->base_uri = (add->base_uri == NULL) ? base->base_uri : add->base_uri;
  config->base_uri_with_slash = (add->base_uri_with_slash == NULL) ? base->base_uri_with_slash : add->base_uri_with_slash;
  config->env = (add->env == NULL) ? base->env : add->env;
  return config;
}
 
void *
passenger_config_create_server(apr_pool_t *p, server_rec *s) {
  return passenger_config_create_dir(p, NULL);
}
 
void *
passenger_config_merge_server(apr_pool_t *p, void *basev, void *overridesv) {
  return passenger_config_merge_dir(p, basev, overridesv);
}
 
static const char *
cmd_rails_base_uri(cmd_parms *cmd, void *pcfg, const char *arg) {
  RailsConfig *config = (RailsConfig *) pcfg;
  config->base_uri = arg;
  if (strcmp(arg, "/") == 0) {
    config->base_uri_with_slash = "/";
  } else {
    config->base_uri_with_slash = apr_pstrcat(cmd->pool, arg, "/", NULL);
  }
  return NULL;
}
 
typedef const char * (*Take1Func)(); // Workaround for some weird C++-specific compiler error.
 
const command_rec passenger_commands[] = {
  AP_INIT_TAKE1("RailsBaseURI", (Take1Func) cmd_rails_base_uri, NULL, OR_OPTIONS,
    "Reserve the given URI to a Rails application."),
  AP_INIT_TAKE1("RailsEnv", (Take1Func) ap_set_string_slot, (void *) APR_OFFSETOF(RailsConfig, env), OR_OPTIONS,
    "The environment under which a Rails app must run."),
  { NULL }
};
 
} // extern "C"