/*
** Implementation of the /json/diff page.
**
** Arguments:
**
** v1=1st version to diff
** v2=2nd version to diff
**
** Can come from GET, POST.payload, CLI -v1/-v2 or as positional
** parameters following the command name (in HTTP and CLI modes).
**
*/
cson_value * json_page_diff(){
cson_object * pay = NULL;
cson_value * v = NULL;
char const * zFrom;
char const * zTo;
int nContext = 0;
char doSBS;
char doHtml;
if(!g.perm.Read){
json_set_err(FSL_JSON_E_DENIED,
"Requires 'o' permissions.");
return NULL;
}
zFrom = json_find_option_cstr("v1",NULL,NULL);
if(!zFrom){
zFrom = json_command_arg(2);
}
if(!zFrom){
json_set_err(FSL_JSON_E_MISSING_ARGS,
"Required 'v1' parameter is missing.");
return NULL;
}
zTo = json_find_option_cstr("v2",NULL,NULL);
if(!zTo){
zTo = json_command_arg(3);
}
if(!zTo){
json_set_err(FSL_JSON_E_MISSING_ARGS,
"Required 'v2' parameter is missing.");
return NULL;
}
nContext = json_find_option_int("context",NULL,"c",5);
doSBS = json_find_option_bool("sbs",NULL,"y",0);
doHtml = json_find_option_bool("html",NULL,"h",0);
v = json_generate_diff(zFrom, zTo, nContext, doSBS, doHtml);
if(!v){
if(!g.json.resultCode){
json_set_err(FSL_JSON_E_UNKNOWN,
"Generating diff failed for unknown reason.");
}
return NULL;
}
pay = cson_new_object();
cson_object_set(pay, "from", json_new_string(zFrom));
cson_object_set(pay, "to", json_new_string(zTo));
cson_object_set(pay, "diff", v);
v = 0;
return pay ? cson_object_value(pay) : NULL;
}
/*
** Internal helper which returns:
**
** If the "format" (CLI: -f) flag is set function returns the same as
** json_wiki_get_content_format_flag(), else it returns true (non-0)
** if either the includeContent (HTTP) or -content|-c boolean flags
** (CLI) are set.
*/
static char json_artifact_get_content_format_flag(){
enum { MagicValue = -9 };
char contentFormat = json_wiki_get_content_format_flag(MagicValue);
if(MagicValue == contentFormat){
contentFormat = json_find_option_bool("includeContent","content","c",0) /* deprecated */ ? -1 : 0;
}
return contentFormat;
}
/*
** Implementation of /json/timeline/ci.
**
** Still a few TODOs (like figuring out how to structure
** inheritance info).
*/
static cson_value * json_timeline_ci(){
cson_value * payV = NULL;
cson_object * pay = NULL;
cson_value * tmp = NULL;
cson_value * listV = NULL;
cson_array * list = NULL;
int check = 0;
char verboseFlag;
Stmt q = empty_Stmt;
char warnRowToJsonFailed = 0;
Blob sql = empty_blob;
if( !g.perm.Hyperlink ){
/* Reminder to self: HTML impl requires 'o' (Read)
rights.
*/
json_set_err( FSL_JSON_E_DENIED, "Check-in timeline requires 'h' access." );
return NULL;
}
verboseFlag = json_find_option_bool("verbose",NULL,"v",0);
if( !verboseFlag ){
verboseFlag = json_find_option_bool("files",NULL,"f",0);
}
payV = cson_value_new_object();
pay = cson_value_get_object(payV);
check = json_timeline_setup_sql( "ci", &sql, pay );
if(check){
json_set_err(check, "Query initialization failed.");
goto error;
}
#define SET(K) if(0!=(check=cson_object_set(pay,K,tmp))){ \
json_set_err((cson_rc.AllocError==check) \
? FSL_JSON_E_ALLOC : FSL_JSON_E_UNKNOWN,\
"Object property insertion failed"); \
goto error;\
} (void)0
#if 0
/* only for testing! */
tmp = cson_value_new_string(blob_buffer(&sql),strlen(blob_buffer(&sql)));
SET("timelineSql");
#endif
db_multi_exec("%s", blob_buffer(&sql)/*safe-for-%s*/);
blob_reset(&sql);
db_prepare(&q, "SELECT "
" rid AS rid"
" FROM json_timeline"
" ORDER BY rowid");
listV = cson_value_new_array();
list = cson_value_get_array(listV);
tmp = listV;
SET("timeline");
while( (SQLITE_ROW == db_step(&q) )){
/* convert each row into a JSON object...*/
int const rid = db_column_int(&q,0);
cson_value * rowV = json_artifact_for_ci(rid, verboseFlag);
cson_object * row = cson_value_get_object(rowV);
if(!row){
if( !warnRowToJsonFailed ){
warnRowToJsonFailed = 1;
json_warn( FSL_JSON_W_ROW_TO_JSON_FAILED,
"Could not convert at least one timeline result row to JSON." );
}
continue;
}
cson_array_append(list, rowV);
}
#undef SET
goto ok;
error:
assert( 0 != g.json.resultCode );
cson_value_free(payV);
payV = NULL;
ok:
db_finalize(&q);
return payV;
}
