ocarina/core/string.cpp

/**
 * Copyright 2015 (c) Anna Schumaker.
 */
#include <core/string.h>

#define O_SECONDS (1)
#define O_MINUTES (60)
#define O_HOURS   (60 * O_MINUTES)
#define O_DAYS    (24 * O_HOURS)

static unsigned int factor[4] = { O_DAYS, O_HOURS, O_MINUTES, O_SECONDS };
static const char   *field[4] = { "day",  "hour",  "minute",  "second"  };


gchar *string_sec2str(unsigned int sec)
{
	return g_strdup_printf("%u:%02u", sec / 60, sec % 60);
}

const std::string string :: sec2str_detailed(unsigned int sec)
{
	gchar *tmp;
	unsigned int val;
	std::string res;
	gchar *g_res = g_strdup("");

	for (unsigned int i = 0; i < 4; i++) {
		val  = sec / factor[i];
		sec %= factor[i];
		if (val == 0)
			continue;

		tmp = g_strdup_printf("%s%u %s%s%s", g_res, val, field[i],
					(val > 1) ? "s" : "",
					(sec > 0) ? ", " : "");
		g_free(g_res);
		g_res = tmp;
	}

	res = g_res;
	g_free(g_res);
	return res;
}

static char _to_lower(char c)
{
	if ((c >= 'a') && (c <= 'z'))
		return c;
	if ((c >= '0') && (c <= '9'))
		return c;
	if ((c >= 'A') && (c <= 'Z'))
		return c + ('a' - 'A');

	switch (c) {
	case '\\':
	case '/':
	case ',':
	case ';':
	case '(':
	case ')':
	case '_':
	case '-':
	case '~':
	case '+':
	case '"':
	case ' ':
	case '	':
		return ' ';
	default:
		return 0;
	}
}

const std::string string :: lowercase(const std::string &str)
{
	std::string ret;
	char c, last = ' ';

	for (unsigned int i = 0; i < str.size(); i++) {
		c = _to_lower(str[i]);

		if (c > 0) {
			if ((c != ' ') || (last != ' '))
				ret += c;
			last = c;
		}
	}

	if (ret[ret.size() - 1] == ' ')
		return ret.substr(0, ret.size() - 1);
	return ret;
}