i18n.qh

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#pragma once

#include "log.qh"
#include "map.qh"
#include "unsafe.qh"

// translation helpers
string prvm_language;

ERASEABLE
string language_filename(string s)
{
    string fn = prvm_language;
    if (fn == "" || fn == "dump") return s;
    fn = strcat(s, ".", fn);
    int fh = fopen(fn, FILE_READ);
    if (fh >= 0)
    {
        fclose(fh);
        return fn;
    }
    return s;
}

#ifndef CTX_CACHE
    #define CTX_CACHE 1
#endif

#if CTX_CACHE
    HashMap CTX_cache;
    STATIC_INIT(CTX_cache)
    {
        HM_NEW(CTX_cache);
    }
    SHUTDOWN(CTX_cache)
    {
        HM_DELETE(CTX_cache);
    }
#endif

ERASEABLE
string CTX(string s)
{
#if CTX_CACHE
    string c = HM_gets(CTX_cache, s);
    if (c != "") return c;
#endif
    int caret_ofs = strstrofs(s, "^", 0);
    string ret = s;
    // empty (caret_ofs == 0) and one char (caret_ofs == 1) prefixes are invalid
    if (caret_ofs > 1)
    {
        int space_ofs = strstrofs(substring(s, 0, caret_ofs), " ", 0);
        // prefixes containing a space are invalid (likely the caret is part of a color code)
        if (space_ofs < 0 || space_ofs > caret_ofs)
            ret = substring(s, caret_ofs + 1, -1);
    }
#if CTX_CACHE
    LOG_DEBUGF("CTX(\"%s\")", s);
    HM_sets(CTX_cache, s, ret);
#endif
    return ret;
}

#define ZCTX(s) strzone(CTX(s))