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/**
* @file
* @brief Templates used in describe.cc and in some tiles-only sources
*/
#ifndef DESCRIBE_TEMPLATES_H
#define DESCRIBE_TEMPLATES_H
#include "describe.h"
#include "strings.h"
#include "lang-fake.h"
template<class T> void process_description(T &proc, const describe_info &inf);
template<class T> void process_quote(T &proc, const describe_info &inf);
/* ***********************************************************************
* template implementations
* *********************************************************************** */
// My kingdom for a closure.
template<class T>
void process_description(T &proc, const describe_info &inf)
{
const unsigned int line_width = proc.width();
const int height = proc.height();
string desc;
// most stuff goes through translate() twice unnecessarily, yadda yadda yadda
// How many lines is the title; we also seem to be adding 1 to
// start with.
int num_lines = count_desc_lines(filtered_lang(inf.title), line_width) + 1;
int body_lines = count_desc_lines(filtered_lang(inf.body.str()), line_width);
const int suffix_lines = count_desc_lines(filtered_lang(inf.suffix), line_width);
const int prefix_lines = count_desc_lines(filtered_lang(inf.prefix), line_width);
const int footer_lines = count_desc_lines(filtered_lang(inf.footer), line_width)
+ (inf.footer.empty() ? 0 : 1);
if (inf.title.empty())
{
desc = filtered_lang(inf.body.str());
// There is a default 1 line addition for some reason.
num_lines = body_lines + 1;
}
else
{
desc = filtered_lang(inf.title) + "\n\n";
desc += filtered_lang(inf.body.str());
// Got 2 lines from the two \ns that weren't counted yet.
num_lines += body_lines + 2;
}
// Prefer the footer over the suffix.
if (num_lines + suffix_lines + footer_lines <= height)
{
desc = desc + filtered_lang(inf.suffix);
num_lines += suffix_lines;
}
// Prefer the footer over the prefix.
if (num_lines + prefix_lines + footer_lines <= height)
{
desc = filtered_lang(inf.prefix) + desc;
num_lines += prefix_lines;
}
if (!inf.footer.empty() && num_lines + footer_lines <= height)
{
const int bottom_line = min(max(24, num_lines + 2),
height - footer_lines + 1);
const int newlines = bottom_line - num_lines;
if (newlines >= 0)
{
desc.append(newlines, '\n');
desc = desc + filtered_lang(inf.footer);
}
}
// Display as many lines as will fit.
int lineno = 0;
while (!desc.empty())
{
const string line = wordwrap_line(desc, line_width, false, true);
// If this is the bottom line of the display but not
// the last line of text, print an ellipsis instead.
if (++lineno < height || desc.empty())
{
proc.print(line);
if (!desc.empty())
proc.nextline();
}
else
{
proc.print("...");
break;
}
}
}
template<class T>
void process_quote(T &proc, const describe_info &inf)
{
const unsigned int line_width = proc.width();
const int height = proc.height();
string desc;
// How many lines is the title; we also seem to be adding 1 to
// start with.
int num_lines = count_desc_lines(inf.title, line_width) + 1;
int body_lines = count_desc_lines(inf.quote, line_width);
// Maybe skip the body if body + title would be too many lines.
if (inf.title.empty())
{
desc = inf.quote;
// There is a default 1 line addition for some reason.
num_lines = body_lines + 1;
}
else if (body_lines + num_lines + 2 <= height)
{
desc = inf.title + "\n\n";
desc += inf.quote;
// Got 2 lines from the two \ns that weren't counted yet.
num_lines += body_lines + 2;
}
else
desc = inf.title + "\n";
if (num_lines <= height)
{
const int bottom_line = min(max(24, num_lines + 2), height);
const int newlines = bottom_line - num_lines;
if (newlines >= 0)
desc.append(newlines, '\n');
}
while (!desc.empty())
{
proc.print(wordwrap_line(desc, line_width, false, true));
if (!desc.empty())
proc.nextline();
}
}
#endif
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