81 lines
1.5 KiB
C++
81 lines
1.5 KiB
C++
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#include "error_set.h"
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#include <iostream>
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using namespace persistent_data;
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//----------------------------------------------------------------
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error_set::error_set(std::string const &err)
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: err_(err) {
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}
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std::string const &
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error_set::get_description() const
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{
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return err_;
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}
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std::list<error_set::ptr> const &
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error_set::get_children() const
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{
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return children_;
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}
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void
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error_set::add_child(error_set::ptr err)
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{
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children_.push_back(err);
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}
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void
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error_set::add_child(std::string const &err)
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{
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error_set::ptr e(new error_set(err));
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add_child(e);
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}
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//--------------------------------
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namespace {
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void indent_by(std::ostream &out, unsigned indent) {
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for (unsigned i = 0; i < indent; i++)
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out << ' ';
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}
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void print_errs(std::ostream &out, error_set::ptr e, unsigned depth, unsigned indent) {
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if (depth == 0)
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return;
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indent_by(out, indent);
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out << e->get_description() << std::endl;
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if (depth > 1) {
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auto children = e->get_children();
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for (auto it = children.begin(); it != children.end(); ++it)
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print_errs(out, *it, depth - 1, indent + 2);
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}
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}
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}
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error_selector::error_selector(error_set::ptr errs, unsigned depth)
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: errs_(errs),
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depth_(depth)
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{
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}
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void
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error_selector::print(std::ostream &out) const
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{
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print_errs(out, errs_, depth_, 0);
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}
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std::ostream &
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persistent_data::operator << (std::ostream &out, error_selector const &errs)
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{
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errs.print(out);
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return out;
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}
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//----------------------------------------------------------------
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