87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
#include <string>
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#include "dbg-lib/output_formatter.h"
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using namespace dbg;
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using namespace std;
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//----------------------------------------------------------------
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namespace {
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class abstract_formatter : public formatter {
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typedef boost::optional<std::string> maybe_string;
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void field(std::string const &name, std::string const &value) {
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fields_.push_back(field_type(name, value));
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}
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void child(std::string const &name, formatter::ptr t) {
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children_.push_back(field_type(name, t));
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}
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protected:
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typedef boost::variant<std::string, ptr> value;
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typedef boost::tuple<std::string, value> field_type;
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std::vector<field_type> fields_;
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std::vector<field_type> children_;
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};
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class xml_formatter : public abstract_formatter {
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public:
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void output(std::ostream &out, int depth = 0,
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boost::optional<std::string> name = boost::none);
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};
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void indent(int depth, std::ostream &out) {
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for (int i = 0; i < depth * 2; i++)
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out << ' ';
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}
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}
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//----------------------------------------------------------------
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void xml_formatter::output(std::ostream &out,
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int depth,
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boost::optional<std::string> name) {
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indent(depth, out);
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out << "<fields";
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if (name && (*name).length())
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out << " id=\"" << *name << "\"";
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/* output non-child fields */
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std::vector<field_type>::const_iterator it;
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for (it = fields_.begin(); it != fields_.end(); ++it) {
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if (string const *s = boost::get<string>(&it->get<1>())) {
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out << " " << it->get<0>() << "=\"" << *s << "\"";
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}
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}
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if (children_.size() == 0) {
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out << " />" << endl;
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return;
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}
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/* output child fields */
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out << ">" << endl;
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for (it = children_.begin(); it != children_.end(); ++it) {
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if (!boost::get<string>(&it->get<1>())) {
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formatter::ptr f = boost::get<formatter::ptr>(it->get<1>());
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f->output(out, depth + 1, it->get<0>());
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}
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}
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indent(depth, out);
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out << "</fields>" << endl;
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}
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//----------------------------------------------------------------
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formatter::ptr
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dbg::create_xml_formatter()
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{
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return formatter::ptr(new xml_formatter());
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}
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//----------------------------------------------------------------
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