parser3/src/classes/table.C - diff

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Diff for /parser3/src/classes/table.C between versions 1.208.6.11 and 1.226

version 1.208.6.11, 2005/11/28 12:50:41	version 1.226, 2007/04/23 10:30:10
Line 7	Line 7

static const char * const IDENT_TABLE_C="$Date$";	static const char * const IDENT_TABLE_C="$Date$";

	#include <sstream>
	using namespace std;

#include "classes.h"	#include "classes.h"
#include "pa_vmethod_frame.h"	#include "pa_vmethod_frame.h"

Line 21 static const char * const IDENT_TABLE_C=	Line 24 static const char * const IDENT_TABLE_C=

class MTable: public Methoded {	class MTable: public Methoded {
public: // VStateless_class	public: // VStateless_class
Value* create_new_value(Pool&) { return new VTable(); }	Value* create_new_value(Pool&, HashStringValue&) { return new VTable(); }

public:	public:
MTable();	MTable();
Line 34 public: // Methoded	Line 37 public: // Methoded

DECLARE_CLASS_VAR(table, new MTable, 0);	DECLARE_CLASS_VAR(table, new MTable, 0);

	// externs

	extern String cycle_data_name;

// defines for globals	// defines for globals

#define SQL_BIND_NAME "bind"	#define SQL_BIND_NAME "bind"
Line 87 static Table::Action_options get_action_	Line 94 static Table::Action_options get_action_
if(soffset == "cur")	if(soffset == "cur")
result.offset=source.current();	result.offset=source.current();
else	else
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
&soffset,	&soffset,
"must be 'cur' string or expression");	"must be 'cur' string or expression");
} else	} else
Line 105 static Table::Action_options get_action_	Line 112 static Table::Action_options get_action_
}	}

if(valid_options!=options->count())	if(valid_options!=options->count())
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"called with invalid option");	"called with invalid option");

Line 115 static void check_option_param(bool opti	Line 122 static void check_option_param(bool opti
MethodParams& params, size_t next_param_index,	MethodParams& params, size_t next_param_index,
const char *msg) {	const char *msg) {
if(next_param_index+(options_defined?1:0) != params.count())	if(next_param_index+(options_defined?1:0) != params.count())
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"%s", msg);	"%s", msg);
}	}
Line 141 static void _create(Request& r, MethodPa	Line 148 static void _create(Request& r, MethodPa
if(params.count()==2) {	if(params.count()==2) {
const String& snameless=params.as_string(0, "called with two params, first param may only be string 'nameless'");	const String& snameless=params.as_string(0, "called with two params, first param may only be string 'nameless'");
if(snameless!="nameless")	if(snameless!="nameless")
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
&snameless,	&snameless,
"table::create called with two params, first param may only be 'nameless'");	"table::create called with two params, first param may only be 'nameless'");
columns=Table::columns_type(0); // nameless	columns=Table::columns_type(0); // nameless
Line 273 struct TableSeparators {	Line 280 struct TableSeparators {
if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) {	if(Value* vseparator=options.get(PA_COLUMN_SEPARATOR_NAME)) {
scolumn=&vseparator->as_string();	scolumn=&vseparator->as_string();
if(scolumn->length()!=1)	if(scolumn->length()!=1)
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
scolumn,	scolumn,
"separator must be one character long");	"separator must be one character long");
column=scolumn->first_char();	column=scolumn->first_char();
Line 282 struct TableSeparators {	Line 289 struct TableSeparators {
if(Value* vencloser=options.get(PA_COLUMN_ENCLOSER_NAME)) {	if(Value* vencloser=options.get(PA_COLUMN_ENCLOSER_NAME)) {
sencloser=&vencloser->as_string();	sencloser=&vencloser->as_string();
if(sencloser->length()!=1)	if(sencloser->length()!=1)
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
sencloser,	sencloser,
"encloser must be one character long");	"encloser must be one character long");
encloser=sencloser->first_char();	encloser=sencloser->first_char();
Line 355 static void _load(Request& r, MethodPara	Line 362 static void _load(Request& r, MethodPara
GET_SELF(r, VTable).set_table(table);	GET_SELF(r, VTable).set_table(table);
}	}

static void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) {	void maybe_enclose( String& to, const String& from, char encloser, const String* sencloser ) {
if(encloser) {	if(encloser) {
to<<*sencloser;	to<<*sencloser;
// while we have 'encloser'...	// while we have 'encloser'...
size_t pos_after=0;	size_t pos_after=0;
for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before+1) {	for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) {
to<<from.mid(pos_before+1/+found encloser/, pos_after-pos_before);	pos_before++; // including first encloser (and skipping it for next pos)
to<<sencloser; to<<sencloser; // doubling encloser	to<<from.mid(pos_after, pos_before);
	to<<*sencloser; // doubling encloser
}	}
// last piece	// last piece
size_t from_length=from.length();	size_t from_length=from.length();
Line 374 static void maybe_enclose( String& to, c	Line 382 static void maybe_enclose( String& to, c
to<<from;	to<<from;
}	}

	void maybe_enclose( ostringstream& to, const String& from, char encloser ) {
	if(encloser) {
	to<<encloser;
	// while we have 'encloser'...
	size_t pos_after=0;
	for( size_t pos_before; (pos_before=from.pos( encloser, pos_after ))!=STRING_NOT_FOUND; pos_after=pos_before) {
	pos_before++; // including first encloser (and skipping it for next pos)
	to<<from.mid(pos_after, pos_before).cstr();
	to<<encloser; // doubling encloser
	}
	// last piece
	size_t from_length=from.length();
	if(pos_after<from_length)
	to<<from.mid(pos_after, from_length).cstr();

static void _save(Request& r, MethodParams& params) {	to<<encloser;
	} else
	to<<from.cstr();
	}


	static void _save_old(Request& r, MethodParams& params) {
const String& first_arg=params.as_string(0, "first argument must not be code");	const String& first_arg=params.as_string(0, "first argument must not be code");
size_t param_index=1;	size_t param_index=1;

Line 394 static void _save(Request& r, MethodPara	Line 422 static void _save(Request& r, MethodPara

TableSeparators separators;	TableSeparators separators;
if(param_index<params.count()) {	if(param_index<params.count()) {
if(HashStringValue *options=params.as_no_junction(param_index++, "additional params must be hash").get_hash()) {	Value& voptions=params.as_no_junction(param_index++, "additional params must be hash");
int valid_options=separators.load(*options);	if( voptions.is_defined() && !voptions.is_string() ) {
if(valid_options!=options->count())	if(HashStringValue* options=voptions.get_hash()) {
throw Exception("parser.runtime",	int valid_options=separators.load(*options);
	if(valid_options!=options->count())
	throw Exception(PARSER_RUNTIME,
	0,
	"invalid option passed");
	} else {
	throw Exception(PARSER_RUNTIME,
0,	0,
"invalid option passed");	"additional params must be hash (did you spell mode parameter correctly?)");
} else	}
throw Exception("parser.runtime",	}
0,
"additional params must be hash (did you spell mode parameter correctly?)");

}	}
if(param_index<params.count())	if(param_index<params.count())
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"bad mode (must be nameless or append)");	"bad mode (must be nameless or append)");

Line 457 static void _save(Request& r, MethodPara	Line 488 static void _save(Request& r, MethodPara
}	}
}	}

	static void _save(Request& r, MethodParams& params) {
	const String& first_arg=params.as_string(0, "first argument must not be code");
	size_t param_index=1;

	bool do_append=false;
	bool output_column_names=true;

	// mode?
	if(first_arg=="append")
	do_append=true;
	else if(first_arg=="nameless")
	output_column_names=false;
	else
	--param_index;

	const String& file_name=params.as_string(param_index++, "file name must not be code");

	TableSeparators separators;
	if(param_index<params.count()) {
	Value& voptions=params.as_no_junction(param_index++, "additional params must be hash");
	if( voptions.is_defined() && !voptions.is_string() ) {
	if(HashStringValue* options=voptions.get_hash()) {
	int valid_options=separators.load(*options);
	if(valid_options!=options->count())
	throw Exception(PARSER_RUNTIME,
	0,
	"invalid option passed");
	} else {
	throw Exception(PARSER_RUNTIME,
	0,
	"additional params must be hash (did you spell mode parameter correctly?)");
	}
	}
	}
	if(param_index<params.count())
	throw Exception(PARSER_RUNTIME,
	0,
	"bad mode (must be nameless or append)");

	Table& table=GET_SELF(r, VTable).table();

	ostringstream ost(stringstream::out);

	// process header
	if(output_column_names) {
	if(table.columns()) { // named table
	for(Array_iterator<const String> i(table.columns()); i.has_next(); ) {
	maybe_enclose( ost, *i.next(), separators.encloser );
	if(i.has_next()){
	ost<<separators.column;
	}
	}
	} else { // nameless table [we were asked to output column names]
	if(int lsize=table.count()?table[0]->count():0)
	for(int column=0; column<lsize; column++) {
	if(separators.encloser) {
	ost<<separators.encloser<<column<<separators.encloser;
	} else {
	ost<<column;
	}
	if(column<lsize-1){
	ost<<separators.column;
	}
	}
	else
	ost<<"empty nameless table";
	}
	ost<<'\n';
	}

	// process data lines
	Array_iterator<ArrayString*> i(table);
	while(i.has_next()) {
	for(Array_iterator<const String> c(i.next()); c.has_next(); ) {
	maybe_enclose( ost, *c.next(), separators.encloser );
	if(c.has_next())
	ost<<separators.column;
	}
	ost<<'\n';
	}

	// write
	{
	string data=ost.str();
	const char* data_cstr = data.c_str();

	file_write(r.absolute(file_name), data_cstr, data.length(), true /* as text */, do_append);
	}
	}

static void _count(Request& r, MethodParams&) {	static void _count(Request& r, MethodParams&) {
int result=GET_SELF(r, VTable).table().count();	int result=GET_SELF(r, VTable).table().count();
r.write_no_lang(*new VInt(result));	r.write_no_lang(*new VInt(result));
Line 478 static void _offset(Request& r, MethodPa	Line 599 static void _offset(Request& r, MethodPa
else if(whence=="set")	else if(whence=="set")
absolute=true;	absolute=true;
else	else
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
&whence,	&whence,
"is invalid whence, valid are 'cur' or 'set'");	"is invalid whence, valid are 'cur' or 'set'");
}	}
Line 490 static void _offset(Request& r, MethodPa	Line 611 static void _offset(Request& r, MethodPa
}	}

static void _menu(Request& r, MethodParams& params) {	static void _menu(Request& r, MethodParams& params) {
	Temp_hash_value<const String::Body, void*>
	cycle_data_setter(r.classes_conf, cycle_data_name, /any not null flag/&r);

Value& body_code=params.as_junction(0, "body must be code");	Value& body_code=params.as_junction(0, "body must be code");

Value* delim_maybe_code=params.count()>1?&params[1]:0;	Value* delim_maybe_code=params.count()>1?&params[1]:0;
Line 502 static void _menu(Request& r, MethodPara	Line 626 static void _menu(Request& r, MethodPara
table.set_current(row);	table.set_current(row);

StringOrValue sv_processed=r.process(body_code);	StringOrValue sv_processed=r.process(body_code);
	Request::Skip lskip=r.get_skip(); r.set_skip(Request::SKIP_NOTHING);
const String* s_processed=sv_processed.get_string();	const String* s_processed=sv_processed.get_string();
if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body	if(delim_maybe_code && s_processed && s_processed->length()) { // delimiter set and we have body
if(need_delim) // need delim & iteration produced string?	if(need_delim) // need delim & iteration produced string?
Line 509 static void _menu(Request& r, MethodPara	Line 634 static void _menu(Request& r, MethodPara
need_delim=true;	need_delim=true;
}	}
r.write_pass_lang(sv_processed);	r.write_pass_lang(sv_processed);

	if(lskip==Request::SKIP_BREAK)
	break;
}	}
table.set_current(saved_current);	table.set_current(saved_current);
}	}
Line 599 static void _hash(Request& r, MethodPara	Line 727 static void _hash(Request& r, MethodPara
if(sdistinct=="tables")	if(sdistinct=="tables")
distinct=D_TABLES;	distinct=D_TABLES;
else	else
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
&sdistinct,	&sdistinct,
"must be 'tables' or true/false");	"must be 'tables' or true/false");
} else	} else
distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL;	distinct=vdistinct_value.as_bool()?D_FIRST:D_ILLEGAL;
}	}

if(valid_options!=options->count())	if(valid_options!=options->count())
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"called with invalid option");	"called with invalid option");
}	}
}	}
if(param_index==2) // bad options param type	if(param_index==2) // bad options param type
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"options must be hash");	"options must be hash");

Line 635 static void _hash(Request& r, MethodPara	Line 764 static void _hash(Request& r, MethodPara
+=self_table.column_name2index(value_field_name, true);	+=self_table.column_name2index(value_field_name, true);
}	}
} else	} else
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"value field(s) must be string or table"	"value field(s) must be string or table");
);
} else { // by all columns, including key	} else { // by all columns, including key
if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST))	if(!(distinct!=D_ILLEGAL && distinct!=D_FIRST))
for(size_t i=0; i<columns->count(); i++)	for(size_t i=0; i<columns->count(); i++)
Line 823 static void join_nameless_row(Table& src	Line 952 static void join_nameless_row(Table& src
static void _join(Request& r, MethodParams& params) {	static void _join(Request& r, MethodParams& params) {
Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table();	Table* maybe_src=params.as_no_junction(0, "table ref must not be code").get_table();
if(!maybe_src)	if(!maybe_src)
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"source is not a table");	"source is not a table");
Table& src=*maybe_src;	Table& src=*maybe_src;
Line 834 static void _join(Request& r, MethodPara	Line 963 static void _join(Request& r, MethodPara

Table& dest=GET_SELF(r, VTable).table();	Table& dest=GET_SELF(r, VTable).table();
if(&src == &dest)	if(&src == &dest)
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"source and destination are same table");	"source and destination are same table");

Line 918 int marshal_binds(HashStringValue& hash,	Line 1047 int marshal_binds(HashStringValue& hash,
int hash_count=hash.count();	int hash_count=hash.count();
placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count];	placeholders=new(UseGC) SQL_Driver::Placeholder[hash_count];
SQL_Driver::Placeholder* ptr=placeholders;	SQL_Driver::Placeholder* ptr=placeholders;
hash.for_each(marshal_bind, &ptr);	hash.for_each<SQL_Driver::Placeholder**>(marshal_bind, &ptr);
return hash_count;	return hash_count;
}	}

Line 963 static void _sql(Request& r, MethodParam	Line 1092 static void _sql(Request& r, MethodParam
offset=(ulong)r.process_to_value(*voffset).as_double();	offset=(ulong)r.process_to_value(*voffset).as_double();
}	}
if(valid_options!=options->count())	if(valid_options!=options->count())
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"called with invalid option");	"called with invalid option");
} else	} else
throw Exception("parser.runtime",	throw Exception(PARSER_RUNTIME,
0,	0,
"options must be hash");	"options must be hash");
}	}
Line 1074 MTable::MTable(): Methoded("table") {	Line 1203 MTable::MTable(): Methoded("table") {
// ^table.save[nameless;file]	// ^table.save[nameless;file]
add_native_method("save", Method::CT_DYNAMIC, _save, 1, 3);	add_native_method("save", Method::CT_DYNAMIC, _save, 1, 3);

	// add_native_method("save_old", Method::CT_DYNAMIC, _save_old, 1, 3);

// ^table.count[]	// ^table.count[]
add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0);	add_native_method("count", Method::CT_DYNAMIC, _count, 0, 0);

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Removed from v.1.208.6.11
changed lines
	Added in v.1.226