--- parser3/src/classes/table.C	2001/03/12 17:00:46	1.2
+++ parser3/src/classes/table.C	2001/03/20 07:34:30	1.22
@@ -1,41 +1,55 @@
-/*
-	Parser
+/** @file
+	Parser: table parser class.
+
 	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
+
 	Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
 
-	$Id: table.C,v 1.2 2001/03/12 17:00:46 paf Exp $
+	$Id: table.C,v 1.22 2001/03/20 07:34:30 paf Exp $
 */
 
+#include <string.h>
+#include "pa_common.h"
 #include "pa_request.h"
 #include "_table.h"
 #include "pa_vtable.h"
-#include "pa_common.h"
+#include "pa_vint.h"
 
 // global var
 
-VClass *table_class;
+VStateless_class *table_class;
 
 // methods
 
-
-// TODO: проверить ^set в ^menu & co
-
 static void set_or_load(
 						Request& r, 
 						const String& method_name, Array *params, 
 						bool is_load) {
 	Pool& pool=r.pool();
 	// data is last parameter
-	Value *vdata=static_cast<Value *>(params->get(params->size()-1));
-	if(vdata->get_junction())
-		R_THROW(0, 0,
-			&method_name,
-			"body must not be a junction");
+	Value *vdata_or_filename=static_cast<Value *>(params->get(params->size()-1));
+	// forcing
+	// ^load[this file name type]
+	// ^set{this body type}
+	r.fail_if_junction_(is_load, *vdata_or_filename, 
+		method_name, is_load?"file name must not be junction":"body must be junction");
 
 	// data or file_name
-	char *data_or_filename=vdata->as_string().cstr();
+	char *ldata_or_filename;
+	if(is_load) {
+		// forcing untaint language
+		String lfile_name(pool);
+		lfile_name.append(vdata_or_filename->as_string(),
+			String::Untaint_lang::FILE_NAME, true);
+		ldata_or_filename=lfile_name.cstr();
+	} else {
+		// suggesting untaint language
+		Temp_lang temp_lang(r, String::Untaint_lang::TABLE);
+		ldata_or_filename=r.process(*vdata_or_filename).as_string().cstr();
+	}
 	// data
-	char *data=is_load?file_read(pool, r.absolute(data_or_filename)):data_or_filename;
+	char *data=is_load?
+		file_read_text(pool, r.absolute(ldata_or_filename)/*\, false*/):ldata_or_filename;
 
 	// parse columns
 	Array *columns;
@@ -72,7 +86,7 @@ static void set_or_load(
 	};
 
 	// replace any previous table value
-	r.self->as_vtable().set_table(table);
+	static_cast<VTable *>(r.self)->set_table(table);
 }
 
 
@@ -84,10 +98,154 @@ static void _load(Request& r, const Stri
 	set_or_load(r, method_name, params, true);
 }
 
-void initialize_table_class(Pool& pool, VClass& vclass) {
-	// ^table.set[data]  ^table.set[nameless;data]
+static void _save(Request& r, const String& method_name, Array *params) {
+	Pool& pool=r.pool();
+	Value *vfile_name=static_cast<Value *>(params->get(params->size()-1));
+	// forcing
+	// ^save[this body type]
+	r.fail_if_junction_(true, *vfile_name, 
+		method_name, "file name must not be junction");
+
+	// forcing untaint language
+	String lfile_name(pool);
+	lfile_name.append(vfile_name->as_string(),
+		String::Untaint_lang::FILE_NAME, true);
+
+	Table& table=static_cast<VTable *>(r.self)->table();
+
+	String sdata(pool);
+	if(params->size()==1) { // not nameless=named output
+		// write out names line
+		if(const Array *columns=table.columns()) { // named table
+			for(int column=0; column<columns->size(); column++) {
+				if(column)
+					sdata.APPEND_CONST("\t");
+				sdata.append(*static_cast<String *>(columns->quick_get(column)), 
+					String::Untaint_lang::TABLE);
+			}
+		} else { // nameless table
+			int size=table.size()?static_cast<Array *>(table.get(0))->size():0;
+			if(size)
+				for(int column=0; column<size; column++) {
+					char *cindex_tab=(char *)pool.malloc(MAX_NUMBER);
+					snprintf(cindex_tab, MAX_NUMBER, "%d\t", column);
+					sdata.APPEND_CONST(cindex_tab);
+				}
+			else
+				sdata.APPEND_CONST("empty nameless table");
+		}
+		sdata.APPEND_CONST("\n");
+	}
+	// data lines
+	for(int index=0; index<table.size(); index++) {
+		Array *row=static_cast<Array *>(table.quick_get(index));
+		for(int column=0; column<row->size(); column++) {
+			if(column)
+				sdata.APPEND_CONST("\t");
+			sdata.append(*static_cast<String *>(row->quick_get(column)), 
+				String::Untaint_lang::TABLE);
+		}
+		sdata.APPEND_CONST("\n");
+	}
+
+	// write
+	char *cdata=sdata.cstr();
+	file_write(pool, r.absolute(lfile_name.cstr()), cdata, strlen(cdata), true, true);
+}
+
+static void _count(Request& r, const String&, Array *) {
+	Pool& pool=r.pool();
+	Value& value=*new(pool) VInt(pool, static_cast<VTable *>(r.self)->table().size());
+	r.write_no_lang(value);
+}
+
+static void _line(Request& r, const String&, Array *) {
+	Pool& pool=r.pool();
+	Value& value=*new(pool) VInt(pool, 1+static_cast<VTable *>(r.self)->table().get_current());
+	r.write_no_lang(value);
+}
+
+static void _offset(Request& r, const String&, Array *params) {
+	Pool& pool=r.pool();
+	Table& table=static_cast<VTable *>(r.self)->table();
+	if(params->size()) {
+		if(int size=table.size()) {
+			int offset=
+				(int)r.process(*static_cast<Value *>(params->get(0))).get_double();
+			table.set_current((table.get_current()+offset+size)%size);
+		}
+	} else {
+		Value& value=*new(pool) VInt(pool, table.get_current());
+		r.write_no_lang(value);
+	}
+}
+
+static void _menu(Request& r, const String& method_name, Array *params) {
+	Value& body_code=*static_cast<Value *>(params->get(0));
+	// forcing ^menu{this param type}
+	r.fail_if_junction_(false, body_code, 
+		method_name, "body must be junction");
+	
+	Value *delim_code=params->size()==2?static_cast<Value *>(params->get(1)):0;
+
+	Table& table=static_cast<VTable *>(r.self)->table();
+	bool need_delim=false;
+	for(int row=0; row<table.size(); row++) {
+		table.set_current(row);
+
+		Value& processed_body=r.process(body_code);
+		if(delim_code) { // delimiter set?
+			const String *string=processed_body.get_string();
+			if(need_delim && string && string->size()) // need delim & iteration produced string?
+				r.write_pass_lang(r.process(*delim_code));
+			need_delim=true;
+		}
+		r.write_pass_lang(processed_body);
+	}
+}
+
+static void _empty(Request& r, const String&, Array *params) {
+	Table& table=static_cast<VTable *>(r.self)->table();
+	if(table.size()==0) {
+		Value& value=r.process(*static_cast<Value *>(params->get(0)));
+		r.write_pass_lang(value);
+	} else if(params->size()==2) {
+		Value& value=r.process(*static_cast<Value *>(params->get(1)));
+		r.write_pass_lang(value);
+	}
+}
+
+// initialize
+
+void initialize_table_class(Pool& pool, VStateless_class& vclass) {
+	// ^table.set{data}
+	// ^table.set[nameless]{data}
 	vclass.add_native_method("set", _set, 1, 2);
 
-	// ^table.load[data]  ^table.load[nameless;data]
+	// ^table.load[file]  
+	// ^table.load[nameless;file]
 	vclass.add_native_method("load", _load, 1, 2);
+
+	// ^table.save[file]  
+	// ^table.save[nameless;file]
+	vclass.add_native_method("save", _save, 1, 2);
+
+	// ^table.count[]
+	vclass.add_native_method("count", _count, 0, 0);
+
+	// ^table.line[]
+	vclass.add_native_method("line", _line, 0, 0);
+
+	// ^table.offset[]  
+	// ^table.offset[offset]
+	vclass.add_native_method("offset", _offset, 0, 1);
+
+	// ^table.menu{code}  
+	// ^table.menu{code}[delim]
+	vclass.add_native_method("menu", _menu, 1, 2);
+
+	// ^table.empty{code-when-empty}  
+	// ^table.empty{code-when-empty}{code-when-not}
+	vclass.add_native_method("empty", _empty, 1, 2);
+
 }