campo-sirio/db/dblib.cpp
guy 41d3f8ab37 Patch level :
Files correlati     : db0.exe
Ricompilazione Demo : [ ]
Commento            : Gestione interattiva distinta base


git-svn-id: svn://10.65.10.50/trunk@6849 c028cbd2-c16b-5b4b-a496-9718f37d4682
1998-07-20 08:31:37 +00:00

958 lines
19 KiB
C++
Executable File

#include <urldefid.h>
#include "dblib.h"
#include "../mg/anamag.h"
#include "../mg/umart.h"
///////////////////////////////////////////////////////////
// TQuantita'
///////////////////////////////////////////////////////////
TDecoder* TQuantita::_umart1 = NULL;
TDecoder* TQuantita::_umart2 = NULL;
real TQuantita::get_factor(const TCodice_um& um) const
{
real fc = 1.0;
if (_articolo.blank())
{
NFCHECK("Unita' di misura generica non supportata");
}
else
{
if (_umart2 == NULL)
_umart2 = new TDecoder(LF_UMART, UMART_FC, 2);
TString80 code;
code << _articolo << '|' << (um.empty() ? _um : um);
const TString& val = _umart2->decode(code);
if (val.not_empty())
fc = real(val);
}
return fc;
}
void TQuantita::set_articolo(const TCodice_articolo& art,
const TCodice_um& um)
{
_articolo = art;
if (um.blank())
{
if (_umart1 == NULL)
_umart1 = new TDecoder(LF_UMART, UMART_UM, 1);
TString80 code;
code << _articolo << "|1";
const TString& new_um = _umart1->decode(code);
if (!new_um.blank())
_um = new_um;
_conv = 1.0;
}
else
{
_um = um;
_conv = get_factor(_um);
}
CHECK(!_um.blank(), "Unita' di misura nulla");
CHECK(_conv > ZERO, "Invalid conversion factor");
}
void TQuantita::copy(const TQuantita& q)
{
_articolo = q._articolo;
_um = q._um;
_conv = q._conv;
_val = q._val;
}
void TQuantita::convert(real& val, const TCodice_um& from_um,
const TCodice_um& to_um) const
{
CHECK(!from_um.blank() && !to_um.blank(), "Unita' di misura nulla");
if (from_um != to_um)
{
if (!_val.is_zero())
{
const real mul = get_factor(from_um);
const real div = get_factor(to_um);
val *= mul;
val /= div;
}
}
}
void TQuantita::convert_to_base()
{
CHECK(_conv > ZERO, "Invalid conversion factor");
_val *= _conv;
TCodice_um dummy;
set_articolo(_articolo, dummy);
}
int TQuantita::compare(const TSortable& s) const
{
const TQuantita& q = (const TQuantita&)s;
real qta = q._val;
if (_um != q._um)
convert(qta, q._um, _um);
qta -= _val;
return -qta.sign();
}
const TQuantita& TQuantita::operator +=(const TQuantita& q)
{
real qta = q._val;
if (_um != q._um)
convert(qta, q._um, _um);
_val += qta;
return *this;
}
const TQuantita& TQuantita::operator -=(const TQuantita& q)
{
real qta = q._val;
if (_um != q._um)
convert(qta, q._um, _um);
_val -= qta;
return *this;
}
const TQuantita& TQuantita::operator =(const real& q)
{
CHECK(!_um.blank(), "Unita' di misura nulla");
_val = q;
return *this;
}
const TQuantita& TQuantita::operator *=(const real& q)
{
CHECK(!_um.blank(), "Unita' di misura nulla");
_val *= q;
return *this;
}
const TQuantita& TQuantita::operator /=(const real& q)
{
CHECK(!_um.blank(), "Unita' di misura nulla");
_val /= q;
return *this;
}
TQuantita::TQuantita()
: _conv(1.0)
{ }
TQuantita::TQuantita(const TCodice_articolo& art)
{
TCodice_um dummy;
set(art, dummy, ZERO);
}
TQuantita::TQuantita(const TCodice_articolo& art, const TCodice_um& um, const real& val)
{
set(art, um, val);
}
TQuantita::TQuantita(const TQuantita& q)
{ copy(q); }
TQuantita::~TQuantita()
{
}
///////////////////////////////////////////////////////////
// TDistinta_expr
///////////////////////////////////////////////////////////
bool TDistinta_expr::print_error(const char* msg) const
{
return error_box(msg);
}
TDistinta_expr::TDistinta_expr()
: TExpression(_numexpr, FALSE)
{
}
///////////////////////////////////////////////////////////
// TDistinta_tree
///////////////////////////////////////////////////////////
const TRectype* TDistinta_tree::_curr = NULL;
TToken_string TDistinta_tree::_tmp(80, ',');
bool TDistinta_tree::isola_codice(TString& code) const
{
int comma = code.find(',');
if (comma > 0)
code.cut(comma);
return code.not_empty();
}
bool TDistinta_tree::curr_code(TCodice_articolo& code) const
{
_path.get(-2, _tmp);
isola_codice(_tmp);
code = _tmp;
return code.not_empty();
}
bool TDistinta_tree::curr_giac(TString& code) const
{
_path.get(-2, _tmp);
_tmp.get(1, code);
return code.not_empty();
}
int TDistinta_tree::curr_comp(TString& code) const
{
_path.get(-2, _tmp);
_tmp.get(2, code);
return atoi(code);
}
long TDistinta_tree::curr_sort() const
{
_path.get(-2, _tmp);
return _tmp.get_long(3);
}
const char* TDistinta_tree::curr_um(TCodice_um& code) const
{
_path.get(-2, _tmp);
_tmp.get(4, code);
return code;
}
real TDistinta_tree::curr_qta(bool last_only) const
{
real qta = 1.0;
const int last = _path.items()-1;
if (last > 0)
{
for (int i = last; i > 0; i--)
{
_path.get(i, _tmp);
real val; _tmp.get(5, val);
qta *= val;
if (last_only || qta.is_zero())
break;
}
}
return qta;
}
bool TDistinta_tree::goto_node(const TString &id)
{
if (id != _path)
{
_stack.destroy();
TToken_string str = id;
_path = str.get(0);
push_vars();
for (const char* t = str.get(); t; t = str.get())
{
_path.add(t);
push_vars();
}
}
return TRUE;
}
struct TFind_node_data
{
TCodice_articolo _id;
long _count;
};
HIDDEN bool find_node_callback(TTree& tree, void* jolly, word flags)
{
if (flags == SCAN_PRE_ORDER)
{
TFind_node_data& data = *(TFind_node_data*)jolly;
data._count++;
TDistinta_tree& dt = (TDistinta_tree&)tree;
TCodice_articolo id; dt.curr_code(id);
if (data._id == id)
return TRUE;
}
return FALSE;
}
long TDistinta_tree::find_node(const TCodice_articolo& str, word flags)
{
if (goto_root())
{
TFind_node_data fnd;
fnd._id = str;
fnd._count = 0;
if (scan_breadth_first(find_node_callback, &fnd, flags))
return fnd._count;
}
return 0L;
}
void TDistinta_tree::node2id(const TObject* node, TString& id) const
{
id = *(TToken_string*)node;
}
TObject* TDistinta_tree::curr_node() const
{
return (TObject*)&_path;
}
bool TDistinta_tree::get_description(TString& desc) const
{
_path.get(-2, desc);
isola_codice(desc);
return TRUE;
}
TImage* TDistinta_tree::image(bool selected) const
{
TImage* img;
if (is_cyclic())
img = get_res_image(BMP_STOP);
else
{
if (is_leaf())
img = get_res_image(BMP_FILE);
else
img = TBidirectional_tree::image(selected);
}
return img;
}
void TDistinta_tree::restart()
{
_dist.destroy();
_rdist.destroy();
_vars.destroy();
_mag.destroy();
_lav.destroy();
shrink_all();
goto_root();
}
bool TDistinta_tree::set_root(const TCodice_articolo& str)
{
const bool ok = find(str, 1) != NULL;
if (ok)
{
_root = str;
restart();
}
return ok;
}
bool TDistinta_tree::has_root() const
{
return _root.not_empty();
}
bool TDistinta_tree::goto_root()
{
const bool ok = has_root();
if (ok)
{
_path = _root;
_stack.destroy();
push_vars();
}
return ok;
}
bool TDistinta_tree::is_cyclic(const TToken_string& path) const
{
bool cyclic = FALSE;
const int last = path.items()-1;
if (last > 0)
{
path.get(-2, _tmp);
TCodice_articolo mycod; _tmp.get(0, mycod);
for (int i = last-1; i >= 0; i--)
{
path.get(i, _tmp);
isola_codice(_tmp);
if (_tmp == mycod)
{
cyclic = TRUE;
break;
}
}
}
return cyclic;
}
static int _sort_key;
static int compare_rdist(const TObject** o1, const TObject** o2)
{
const TRectype* r1 = (const TRectype*)(*o1);
const TRectype* r2 = (const TRectype*)(*o2);
TString16 field;
field << "SORT" << _sort_key;
long k1 = r1->get_long(field);
long k2 = r2->get_long(field);
if (k1 == 0 && k2 == 0)
{
k1 = r1->get_long("NRIG");
k2 = r2->get_long("NRIG");
}
else
{
if (k1 == 0) k1 = 100000000L;
if (k2 == 0) k2 = 100000000L;
}
return k1 == k2 ? 0 : (k1 > k2 ? +1 : -1);
}
const TRectype* TDistinta_tree::find(const TCodice_articolo& father, int child) const
{
TString80 key = father;
key << '|' << child;
const TRectype& rec = ((TDistinta_tree*)this)->_rdist.get(key);
return rec.empty() ? NULL : &rec;
}
int TDistinta_tree::build_children_list(const TCodice_articolo& father, TPointer_array& children) const
{
for (int nrig = 1; ; nrig++)
{
const TRectype* rec = find(father, nrig);
if (rec == NULL)
break;
children.add((TRectype*)rec);
}
const int total = children.items();
if (total > 1)
{
_sort_key = _sort;
children.sort(compare_rdist);
}
return total;
}
bool TDistinta_tree::has_son() const
{
if (_max_depth > 0)
{
const int depth = _path.items()-1;
if (depth >= _max_depth)
return FALSE;
}
if (is_cyclic())
return FALSE;
TCodice_articolo key; curr_code(key);
_curr = find(key, 1);
// Se c'e' almeno un figlio ed e' necessario ordinare
if (_curr != NULL && _sort > 0)
{
TPointer_array children;
const int total = build_children_list(key, children);
if (total > 1)
_curr = (TRectype*)children.objptr(0);
}
return _curr != NULL;
}
void TDistinta_tree::add_child()
{
const char tipo = _curr->get_char("TIPO");
const TString& comp = _curr->get("CODCOMP");
if (tipo == 'V')
_path.add(get_string(comp));
else
_path.add(comp); // Codice articolo
_path << ',' << _curr->get("LIVELLO");// Livello giacenza
long num = _curr->get_long("NRIG");
_path << ',' << num; // Numero componente
if (_sort > 0)
{
TString16 field; field << "SORT" << _sort;
num = _curr->get_long(field);
}
_path << ',' << num; // Numero ordinamento
_path << ',' << _curr->get("UM"); // Unita' di misura
const TString& expr = _curr->get("EXPR");
const real qta = evaluate_numexpr(expr);
_path << ',' << qta; // Quantita'
push_vars();
}
void TDistinta_tree::kill_child()
{
// Distrugge l'ultimo stack delle variabili
pop_vars();
// Toglie l'ultimo elemento dal path
const int pipe = _path.rfind('|');
_path.cut(pipe);
}
bool TDistinta_tree::goto_firstson()
{
const bool ok = has_son();
if (ok)
add_child();
return ok;
}
bool TDistinta_tree::has_rbrother() const
{
const int last = _path.items()-1;
if (last < 1)
return FALSE;
TString80 key; _path.get(last-1, key);
isola_codice(key);
const TCodice_articolo father(key);
curr_comp(key);
if (_sort > 0)
{
TPointer_array children;
const int last = build_children_list(father, children)-1;
if (last > 0)
{
for (int c = last; c >= 0; c--)
{
const TRectype& rec = (const TRectype&)children[c];
if (rec.get("NRIG") == key)
break;
}
if (c >= 0 && c < last)
_curr = &(TRectype&)children[c+1];
else
_curr = NULL;
}
else
_curr = NULL;
}
else
{
const int brother = atoi(key) + 1;
_curr = find(father, brother);
}
return _curr != NULL;
}
bool TDistinta_tree::goto_rbrother()
{
const bool ok = has_rbrother();
if (ok)
{
kill_child();
add_child();
}
return ok;
}
bool TDistinta_tree::has_lbrother() const
{
const int last = _path.items()-1;
if (last < 1)
return FALSE;
TString80 key; _path.get(last-1, key);
isola_codice(key);
const TCodice_articolo father(key);
curr_comp(key);
if (_sort > 0)
{
TPointer_array children;
const int last = build_children_list(father, children)-1;
if (last > 0)
{
for (int c = last; c > 0; c--)
{
const TRectype& rec = (const TRectype&)children[c];
if (rec.get("NRIG") == key)
break;
}
if (c > 0)
_curr = &(TRectype&)children[c-1];
else
_curr = NULL;
}
else
_curr = NULL;
}
else
{
const int brother = atoi(key) - 1;
if (brother > 0)
_curr = find(father, brother);
else
_curr = NULL;
}
return _curr != NULL;
}
bool TDistinta_tree::goto_lbrother()
{
const bool ok = has_lbrother();
if (ok)
{
kill_child();
add_child();
}
return ok;
}
bool TDistinta_tree::has_father() const
{
const int items = _path.items();
return items > 1;
}
bool TDistinta_tree::goto_father()
{
const bool ok = has_father();
if (ok)
kill_child();
return ok;
}
bool TDistinta_tree::is_root() const
{
const int items = _path.items();
return items <= 1;
}
bool TDistinta_tree::is_leaf() const
{
TCodice_articolo key; curr_code(key);
const TRectype* first_son = find(key, 1);
return first_son == NULL;
}
bool TDistinta_tree::is_mag(const char* c) const
{
TCodice_articolo code = c;
if (code.blank())
curr_code(code);
const TString& desc = ((TDistinta_tree*)this)->_mag.decode(code);
return desc.not_empty();
}
bool TDistinta_tree::is_lav(const char* c) const
{
TCodice_articolo code = c;
if (code.blank())
curr_code(code);
const TString& desc = ((TDistinta_tree*)this)->_lav.decode(code);
return desc.not_empty();
}
char TDistinta_tree::get_type(const char* c) const
{
char type = 'V';
if (is_mag(c))
type = 'A';
else
{
if (is_lav(c))
type = 'L';
}
return type;
}
void TDistinta_tree::set_sort_key(int k)
{
CHECK(k >= 0 && k <= 5, "Chiave distinta errata");
_sort = k;
}
TTypeexp TDistinta_tree::get_var_type(const char* var)
{
const TString& vt = _vars.decode(var);
return vt.blank() ? _strexpr : _numexpr;
}
void TDistinta_tree::pop_vars()
{
_stack.pop();
}
void TDistinta_tree::clear_globals()
{
_globals.destroy();
}
void TDistinta_tree::set_global(const char* name, const char* val)
{
TString* str = new TString(val);
_globals.add(name, str, TRUE);
}
void TDistinta_tree::set_global(const char* name, const real& val)
{
_globals.add(name, val, TRUE);
}
const TString& TDistinta_tree::get_string(const char* var)
{
for (int s = 0; s < _stack.count(); s++)
{
TAssoc_array& a = (TAssoc_array&)_stack.peek(s);
TObject* val = a.objptr(var);
if (val)
{
if (val->class_id() == CLASS_STRING)
return (TString&)*val;
}
}
TObject* val = _globals.objptr(var);
if (val && val->class_id() == CLASS_STRING)
return (TString&)*val;
return EMPTY_STRING;
}
const real& TDistinta_tree::get_real(const char* var)
{
for (int s = 0; s < _stack.count(); s++)
{
TAssoc_array& a = (TAssoc_array&)_stack.peek(s);
TObject* val = a.objptr(var);
if (val)
{
if (val->class_id() != CLASS_STRING)
return (real&)*val;
}
}
TObject* val = _globals.objptr(var);
if (val && val->class_id() != CLASS_STRING)
return (real&)*val;
return ZERO;
}
void TDistinta_tree::evaluate(TDistinta_expr& e)
{
for (int v = e.numvar()-1; v >= 0; v--)
{
const char* name = e.varname(v);
const TTypeexp vartype = get_var_type(name);
if (vartype == _numexpr)
e.setvar(v, get_real(name));
else
e.setvar(v, get_string(name));
}
}
real TDistinta_tree::evaluate_numexpr(const char* str)
{
TDistinta_expr e;
e.set(str, _numexpr);
evaluate(e);
return e.as_real();
}
void TDistinta_tree::evaluate_strexpr(const char* str, TString& res)
{
TDistinta_expr e;
e.set(str, _strexpr);
evaluate(e);
res = e.as_string();
}
void TDistinta_tree::push_vars()
{
TAssoc_array* vars = new TAssoc_array;
_stack.push(vars);
TCodice_articolo var; curr_code(var);
const TString& memo_field = _dist.decode(var);
if (!memo_field.blank())
{
TString80 expr;
TDistinta_expr e;
TToken_string memo(memo_field, '\n');
for (const char* str = memo.get(0); str; str = memo.get())
{
char* equal = strchr(str, '=');
if (equal)
{
*equal = '\0';
var = str;
expr = equal + 1;
const TTypeexp exprtype = get_var_type(var);
e.set(expr, exprtype);
evaluate(e);
if (exprtype == _numexpr)
vars->add(var, e.as_real());
else
vars->add(var, e.as_string());
}
}
}
}
struct TExplosion_params
{
TArray* _array;
TString16 _filter;
int _raggruppa;
int _max_depth;
int _sort_key;
bool _materiali_base;
bool _last_qta;
};
static bool explode_callback(TTree& node, void* jolly, word when)
{
if (when == SCAN_PRE_ORDER)
{
TDistinta_tree& tree = (TDistinta_tree&)node;
if (tree.is_root())
return FALSE; // Don't explode roots
const TExplosion_params& ep = *(const TExplosion_params*)jolly;
if (ep._materiali_base && !tree.is_leaf())
return FALSE; // Please, leaves only
TRiga_esplosione er(tree, ep);
const char type = er.tipo();
if (ep._filter.not_empty())
{
if (ep._filter.find(type) < 0)
return FALSE;
}
if (ep._sort_key > 0)
{
if (er.ordinamento() <= 0)
return FALSE; // Non fa parte dell'ordinamento
}
ep._array->add(er);
}
return FALSE;
}
int TDistinta_tree::raggruppa(TArray& boom, int mode) const
{
for (int i = 0; i < boom.items(); i++)
{
TRiga_esplosione& qta1 = (TRiga_esplosione&)boom[i];
if (mode == 2)
qta1.convert_to_base();
for (int j = boom.items()-1; j > i; j--)
{
TRiga_esplosione& qta2 = (TRiga_esplosione&)boom[j];
if (qta1.articolo() != qta2.articolo())
continue;
if (mode == 3 && qta1.um() != qta2.um())
continue;
qta1 += qta2;
boom.destroy(j, TRUE);
}
}
return boom.items();
}
int TDistinta_tree::explode(TArray& boom,
bool mb, int gr, int md,
const char* filter, int sk,
bool lq)
{
const int old_sk = get_sort_key();
const int old_md = get_max_depth();
if (mb) md = 0;
set_sort_key(sk);
set_max_depth(md);
TExplosion_params ep;
ep._array = &boom;
ep._materiali_base = mb;
ep._raggruppa = gr;
ep._max_depth = md;
ep._filter = filter;
ep._sort_key = sk;
ep._last_qta = lq;
scan_depth_first(explode_callback, &ep);
set_sort_key(old_sk);
set_max_depth(old_md);
if (gr)
raggruppa(boom, gr);
return boom.items();
}
TDistinta_tree::TDistinta_tree()
: _rdist(LF_RDIST), _sort(0), _max_depth(0),
_dist(LF_DIST, "PARAMETRI"), _vars("VAR", "B0"),
_mag(LF_ANAMAG, "DESCR"), _lav("LAV")
{
}
TDistinta_tree::~TDistinta_tree()
{
}
///////////////////////////////////////////////////////////
// TRiga_esplosione
///////////////////////////////////////////////////////////
void TRiga_esplosione::init(const TDistinta_tree& tree,
const TExplosion_params& ep)
{
TCodice_articolo art; tree.curr_code(art);
TCodice_um um; tree.curr_um(um);
real val = tree.curr_qta(ep._last_qta);
set(art, um, val);
tree.curr_giac(_giac);
_tipo = tree.get_type(art);
_sort = tree.curr_sort();
_livello = tree.curr_depth();
}
TRiga_esplosione::TRiga_esplosione(const TDistinta_tree& tree,
const TExplosion_params& ep)
{
init(tree, ep);
}
TRiga_esplosione::TRiga_esplosione(const TRiga_esplosione& re)
: TQuantita(re)
{
_giac = re._giac;
_tipo = re._tipo;
_livello = re._livello;
_sort = re._sort;
}