Edit

kc3-lang/libxkbcommon/src/text.c

Branch :

  • Show log

    Commit

  • Author : Ran Benita
    Date : 2012-08-02 01:09:41
    Hash : 4c00278c
    Message : Remove xproto build dependency Very little left to do for this. Signed-off-by: Ran Benita <ran234@gmail.com>

  • src/text.c
  • /************************************************************
     * Copyright (c) 1994 by Silicon Graphics Computer Systems, Inc.
     *
     * Permission to use, copy, modify, and distribute this
     * software and its documentation for any purpose and without
     * fee is hereby granted, provided that the above copyright
     * notice appear in all copies and that both that copyright
     * notice and this permission notice appear in supporting
     * documentation, and that the name of Silicon Graphics not be
     * used in advertising or publicity pertaining to distribution
     * of the software without specific prior written permission.
     * Silicon Graphics makes no representation about the suitability
     * of this software for any purpose. It is provided "as is"
     * without any express or implied warranty.
     *
     * SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
     * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
     * AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
     * GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
     * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
     * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
     * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
     * THE USE OR PERFORMANCE OF THIS SOFTWARE.
     *
     ********************************************************/
    
    #include "text.h"
    
    #define BUFFER_SIZE 1024
    
    static char *
    GetBuffer(size_t size)
    {
        static char buffer[BUFFER_SIZE];
        static size_t next;
        char *rtrn;
    
        if (size >= BUFFER_SIZE)
            return NULL;
    
        if (BUFFER_SIZE - next <= size)
            next = 0;
    
        rtrn = &buffer[next];
        next += size;
    
        return rtrn;
    }
    
    static const char *
    VModIndexText(struct xkb_keymap *keymap, xkb_mod_index_t ndx)
    {
        int len;
        char *rtrn;
        const char *tmp = NULL;
        char buf[20];
    
        if (ndx >= XkbNumVirtualMods)
             tmp = "illegal";
        else
             tmp = keymap->vmod_names[ndx];
    
        if (!tmp) {
            snprintf(buf, sizeof(buf) - 1, "%d", ndx);
            tmp = buf;
        }
    
        len = strlen(tmp) + 1;
        if (len >= BUFFER_SIZE)
            len = BUFFER_SIZE - 1;
    
        rtrn = GetBuffer(len);
        strncpy(rtrn, tmp, len);
    
        return rtrn;
    }
    
    const char *
    VModMaskText(struct xkb_keymap *keymap, xkb_mod_mask_t modMask,
                 xkb_mod_mask_t mask)
    {
        xkb_mod_index_t i;
        xkb_mod_mask_t bit;
        int len, rem;
        const char *mm = NULL;
        char *rtrn, *str;
        char buf[BUFFER_SIZE];
    
        if (modMask == 0 && mask == 0)
            return "none";
    
        if (modMask != 0)
            mm = ModMaskText(modMask, false);
    
        str = buf;
        buf[0] = '\0';
        rem = BUFFER_SIZE;
    
        if (mask) {
            for (i = 0, bit = 1; i < XkbNumVirtualMods && rem > 1; i++, bit <<=
                     1) {
                if (!(mask & bit))
                    continue;
    
                len = snprintf(str, rem, "%s%s",
                               (str != buf) ? "+" : "",
                               VModIndexText(keymap, i));
                rem -= len;
                str += len;
            }
    
            str = buf;
        }
        else
            str = NULL;
    
        len = (str ? strlen(str) : 0) + (mm ? strlen(mm) : 0) +
              (str && mm ? 1 : 0);
        if (len >= BUFFER_SIZE)
            len = BUFFER_SIZE - 1;
    
        rtrn = GetBuffer(len + 1);
        rtrn[0] = '\0';
    
        snprintf(rtrn, len + 1, "%s%s%s", (mm ? mm : ""),
                 (mm && str ? "+" : ""), (str ? str : ""));
    
        return rtrn;
    }
    
    /*
     * IMPORTATNT
     * The indices used for the legacy core modifiers is derived from
     * the order of the names in this table. It matches the values
     * ShiftMapIndex, LockMapIndex, etc. from X11/X.h. Take note before
     * changing.
     */
    static const char *modNames[XkbNumModifiers] = {
        "Shift",
        "Lock",
        "Control",
        "Mod1",
        "Mod2",
        "Mod3",
        "Mod4",
        "Mod5",
    };
    
    xkb_mod_index_t
    ModNameToIndex(const char *name)
    {
        xkb_mod_index_t i;
    
        for (i = 0; i < XkbNumModifiers; i++)
            if (istreq(name, modNames[i]))
                return i;
    
        return XKB_MOD_INVALID;
    }
    
    const char *
    ModIndexToName(xkb_mod_index_t ndx)
    {
        if (ndx < XkbNumModifiers)
            return modNames[ndx];
        return NULL;
    }
    
    const char *
    ModIndexText(xkb_mod_index_t ndx)
    {
        const char *name;
        char *buf;
    
        name = ModIndexToName(ndx);
        if (name)
            return name;
    
        if (ndx == XkbNoModifier)
            return "none";
    
        buf = GetBuffer(32);
        snprintf(buf, 32, "ILLEGAL_%02x", ndx);
    
        return buf;
    }
    
    const char *
    ModMaskText(xkb_mod_mask_t mask, bool cFormat)
    {
        int i, rem;
        xkb_mod_index_t bit;
        char *str, *buf;
    
        if ((mask & 0xff) == 0xff)
            return (cFormat ? "0xff" : "all");
    
        if ((mask & 0xff) == 0)
            return (cFormat ? "0" : "none");
    
        rem = 64;
        buf = GetBuffer(rem);
        str = buf;
        buf[0] = '\0';
        for (i = 0, bit = 1; i < XkbNumModifiers && rem > 1; i++, bit <<= 1) {
            int len;
    
            if (!(mask & bit))
                continue;
    
            len = snprintf(str, rem, "%s%s%s",
                           (str != buf) ? (cFormat ? "|" : "+") : "",
                           modNames[i],
                           cFormat ? "Mask" : "");
            rem -= len;
            str += len;
        }
    
        return buf;
    }
    
    const char *
    FileTypeText(enum xkb_file_type type)
    {
        switch (type) {
        case FILE_TYPE_KEYMAP:
            return "xkb_keymap";
        case FILE_TYPE_TYPES:
            return "xkb_types";
        case FILE_TYPE_COMPAT:
            return "xkb_compatability";
        case FILE_TYPE_SYMBOLS:
            return "xkb_symbols";
        case FILE_TYPE_KEYCODES:
            return "xkb_keycodes";
        case FILE_TYPE_RULES:
            return "rules";
        default:
            return "unknown";
        }
    }
    
    static const char *actionTypeNames[XkbSA_NumActions] = {
        [XkbSA_NoAction]       = "NoAction",
        [XkbSA_SetMods]        = "SetMods",
        [XkbSA_LatchMods]      = "LatchMods",
        [XkbSA_LockMods]       = "LockMods",
        [XkbSA_SetGroup]       = "SetGroup",
        [XkbSA_LatchGroup]     = "LatchGroup",
        [XkbSA_LockGroup]      = "LockGroup",
        [XkbSA_MovePtr]        = "MovePtr",
        [XkbSA_PtrBtn]         = "PtrBtn",
        [XkbSA_LockPtrBtn]     = "LockPtrBtn",
        [XkbSA_SetPtrDflt]     = "SetPtrDflt",
        [XkbSA_ISOLock]        = "ISOLock",
        [XkbSA_Terminate]      = "Terminate",
        [XkbSA_SwitchScreen]   = "SwitchScreen",
        [XkbSA_SetControls]    = "SetControls",
        [XkbSA_LockControls]   = "LockControls",
        [XkbSA_ActionMessage]  = "ActionMessage",
        [XkbSA_RedirectKey]    = "RedirectKey",
        [XkbSA_DeviceBtn]      = "DeviceBtn",
        [XkbSA_LockDeviceBtn]  = "LockDeviceBtn",
        [XkbSA_DeviceValuator] = "DeviceValuator"
    };
    
    const char *
    ActionTypeText(unsigned type)
    {
        if (type <= XkbSA_LastAction)
            return actionTypeNames[type];
        return "Private";
    }
    
    const char *
    KeysymText(xkb_keysym_t sym)
    {
        static char buffer[64];
    
        xkb_keysym_get_name(sym, buffer, sizeof buffer);
    
        return buffer;
    }
    
    const char *
    KeyNameText(const char name[XkbKeyNameLength])
    {
        char *buf;
        int len;
    
        buf = GetBuffer(7);
        buf[0] = '<';
        strncpy(&buf[1], name, 4);
        buf[5] = '\0';
        len = strlen(buf);
        buf[len++] = '>';
        buf[len] = '\0';
    
        return buf;
    }
    
    static const char *siMatchText[5] = {
        "NoneOf",       /* XkbSI_NoneOf */
        "AnyOfOrNone",  /* XkbSI_AnyOfOrNone */
        "AnyOf",        /* XkbSI_AnyOf */
        "AllOf",        /* XkbSI_AllOf */
        "Exactly"       /* XkbSI_Exactly */
    };
    
    const char *
    SIMatchText(unsigned type)
    {
        char *buf;
    
        switch (type & XkbSI_OpMask) {
        case XkbSI_NoneOf:
            return siMatchText[0];
        case XkbSI_AnyOfOrNone:
            return siMatchText[1];
        case XkbSI_AnyOf:
            return siMatchText[2];
        case XkbSI_AllOf:
            return siMatchText[3];
        case XkbSI_Exactly:
            return siMatchText[4];
        default:
            buf = GetBuffer(40);
            snprintf(buf, 40, "0x%x", type & XkbSI_OpMask);
            return buf;
        }
    }