#ifdef FOSSIL_ENABLE_JSON
/*
** Copyright (c) 2011 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the Simplified BSD License (also
** known as the "2-Clause License" or "FreeBSD License".)
**
** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
**
*/
#include "VERSION.h"
#include "config.h"
#include "json_dir.h"
#if INTERFACE
#include "json_detail.h"
#endif
static cson_value * json_page_dir_list();
/*
** Mapping of /json/wiki/XXX commands/paths to callbacks.
*/
static const JsonPageDef JsonPageDefs_Dir[] = {
/* Last entry MUST have a NULL name. */
{NULL,NULL,0}
};
static char const * json_dir_path_extra(){
static char const * zP = NULL;
if( !zP ){
zP = g.zExtra;
while(zP && *zP && ('/'==*zP)){
++zP;
}
}
return zP;
}
/*
** Impl of /json/dir. 98% of it was taken directly
** from browse.c::page_dir()
*/
static cson_value * json_page_dir_list(){
cson_object * zPayload = NULL;
cson_array * zEntries = NULL;
cson_array * zFiles = NULL;
cson_array * zDirs = NULL;
cson_object * zEntry = NULL;
cson_string * zKeyName = NULL;
cson_string * zKeyIsDir = NULL;
cson_string * zKeyUuid = NULL;
char * zD = NULL;
char const * zDX = NULL;
int nD;
char * zUuid = NULL;
char const * zCI = NULL;
Manifest * pM = NULL;
Stmt q = empty_Stmt;
int rid = 0;
char * zPrefix = NULL;
if( !g.perm.History ){
json_set_err(FSL_JSON_E_DENIED, "Requires 'h' permissions.");
return NULL;
}
zCI = json_find_option_cstr("checkin",NULL,"ci" );
/* If a specific check-in is requested, fetch and parse it. If the
** specific check-in does not exist, clear zCI. zCI==0 will cause all
** files from all check-ins to be displayed.
*/
if( zCI && *zCI ){
pM = manifest_get_by_name(zCI, &rid);
if( pM ){
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
}else{
json_set_err(FSL_JSON_E_UNRESOLVED_UUID,
"Checkin name [%s] is unresolved.",
zCI);
return NULL;
}
}
zDX = json_find_option_cstr("name",NULL,"n");
if((!zDX || !*zDX) && !g.isHTTP){
zDX = json_command_arg(g.json.dispatchDepth+1);
}
zD = (zDX && *zDX) ? fossil_strdup(zDX) : NULL;
nD = zD ? strlen(zD)+1 : 0;
while( nD>1 && zD[nD-2]=='/' ){ zD[(--nD)-1] = 0; }
sqlite3_create_function(g.db, "pathelement", 2, SQLITE_UTF8, 0,
pathelementFunc, 0, 0);
/* Compute the temporary table "localfiles" containing the names
** of all files and subdirectories in the zD[] directory.
**
** Subdirectory names begin with "/". This causes them to sort
** first and it also gives us an easy way to distinguish files
** from directories in the loop that follows.
*/
db_multi_exec(
"CREATE TEMP TABLE localfiles(x UNIQUE NOT NULL %s, u);",
filename_collation()
);
if( zCI ){
Stmt ins;
ManifestFile *pFile;
ManifestFile *pPrev = 0;
int nPrev = 0;
int c;
db_prepare(&ins,
"INSERT OR IGNORE INTO localfiles VALUES(pathelement(:x,0), :u)"
);
manifest_file_rewind(pM);
while( (pFile = manifest_file_next(pM,0))!=0 ){
if( nD>0
&& (memcmp(pFile->zName, zD, nD-1)!=0 || pFile->zName[nD-1]!='/')
){
continue;
}
if( pPrev
&& memcmp(&pFile->zName[nD],&pPrev->zName[nD],nPrev)==0
&& (pFile->zName[nD+nPrev]==0 || pFile->zName[nD+nPrev]=='/')
){
continue;
}
db_bind_text(&ins, ":x", &pFile->zName[nD]);
db_bind_text(&ins, ":u", pFile->zUuid);
db_step(&ins);
db_reset(&ins);
pPrev = pFile;
for(nPrev=0; (c=pPrev->zName[nD+nPrev]) && c!='/'; nPrev++){}
if( c=='/' ) nPrev++;
}
db_finalize(&ins);
}else if( zD ){
if( filenames_are_case_sensitive() ){
db_multi_exec(
"INSERT OR IGNORE INTO localfiles"
" SELECT pathelement(name,%d), NULL FROM filename"
" WHERE name GLOB '%q/*'",
nD, zD
);
}else{
db_multi_exec(
"INSERT OR IGNORE INTO localfiles"
" SELECT pathelement(name,%d), NULL FROM filename"
" WHERE name LIKE '%q/%%'",
nD, zD
);
}
}else{
db_multi_exec(
"INSERT OR IGNORE INTO localfiles"
" SELECT pathelement(name,0), NULL FROM filename"
);
}
if(zCI){
db_prepare( &q, "SELECT x as name, u as uuid FROM localfiles ORDER BY x");
}else{/* UUIDs are all NULL. */
db_prepare( &q, "SELECT x as name FROM localfiles ORDER BY x");
}
zKeyName = cson_new_string("name",4);
cson_value_add_reference( cson_string_value(zKeyName) );
zKeyUuid = cson_new_string("uuid",4);
cson_value_add_reference( cson_string_value(zKeyUuid) );
zKeyIsDir = cson_new_string("isDir",5);
cson_value_add_reference( cson_string_value(zKeyIsDir) );
zPayload = cson_new_object();
cson_object_set_s( zPayload, zKeyName, json_new_string(zD ? zD : "/") );
if(zUuid){
cson_object_set_s( zPayload, zKeyUuid, cson_string_value(cson_new_string(zUuid, strlen(zUuid))) );
}
if( zCI ) cson_object_set( zPayload, "checkin", json_new_string(zCI) );
while( (SQLITE_ROW==db_step(&q)) ){
cson_value * name = NULL;
char const * n = db_column_text(&q,0);
char const * u = zCI ? db_column_text(&q,1) : NULL;
zEntry = cson_new_object();
#if 0
if('/'==*n){
if(!zDirs){
zDirs = cson_new_array();
cson_object_set( zPayload, "dirs", cson_array_value(zDirs) );
}
cson_array_append(zDirs, cson_object_value(zEntry) );
cson_object_set_s(zEntry, zKeyName, json_new_string( n+1 ) );
}else{
if(!zFiles){
zFiles = cson_new_array();
cson_object_set( zPayload, "files", cson_array_value(zFiles) );
}
cson_array_append(zFiles, cson_object_value(zEntry) );
cson_object_set_s(zEntry, zKeyName, json_new_string( n ) );
}
if(u && *u){
cson_object_set_s(zEntry, zKeyUuid, json_new_string( u ) );
}
#else
if(!zEntries){
zEntries = cson_new_array();
cson_object_set( zPayload, "entries", cson_array_value(zEntries) );
}
if('/'==*n){
name = json_new_string( n+1 );
cson_object_set_s(zEntry, zKeyIsDir, cson_value_true() );
} else{
name = json_new_string( n );
}
if(u && *u){
cson_object_set_s(zEntry, zKeyUuid, json_new_string( u ) );
}
cson_object_set_s(zEntry, zKeyName, name );
cson_array_append(zEntries, cson_object_value(zEntry) );
#endif
}
db_finalize(&q);
if(pM){
manifest_destroy(pM);
}
cson_value_free( cson_string_value( zKeyName ) );
cson_value_free( cson_string_value( zKeyUuid ) );
cson_value_free( cson_string_value( zKeyIsDir ) );
free( zUuid );
free( zD );
return cson_object_value(zPayload);
}
/*
** Implements the /json/dir family of pages/commands.
**
*/
cson_value * json_page_dir(){
#if 1
return json_page_dir_list();
#else
return json_page_dispatch_helper(&JsonPageDefs_Dir[0]);
#endif
}
#endif /* FOSSIL_ENABLE_JSON */