breaking.c File Reference

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "winnls.h"
#include "usp10.h"
#include "winternl.h"
#include "wine/debug.h"
#include "usp10_internal.h"

Include dependency graph for breaking.c:

Go to the source code of this file.

Enumerations
enum	breaking_types {   b_BK =1 , b_CR , b_LF , b_CM ,   b_SG , b_GL , b_CB , b_SP ,   b_ZW , b_NL , b_WJ , b_JL ,   b_JV , b_JT , b_H2 , b_H3 ,   b_XX , b_OP , b_CL , b_CP ,   b_QU , b_NS , b_EX , b_SY ,   b_IS , b_PR , b_PO , b_NU ,   b_AL , b_ID , b_IN , b_HY ,   b_BB , b_BA , b_SA , b_AI ,   b_B2 , b_HL , b_CJ , b_RI ,   b_EB , b_EM , b_ZWJ , b_AK ,   b_AP , b_AS , b_VF , b_VI ,   b_HH }
enum	breaking_class { b_r =1 , b_s , b_x }

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (uniscribe)
static void	debug_output_breaks (const short *breaks, int count)
static void	else_break (short *before, short class)
void	BREAK_line (const WCHAR *chars, int count, const SCRIPT_ANALYSIS *sa, SCRIPT_LOGATTR *la)

Variables
const unsigned short	wine_linebreak_table []

Enumeration Type Documentation

breaking_class

enum breaking_class

Enumerator
b_r
b_s
b_x

Definition at line 47 of file breaking.c.

{b_r=1, b_s, b_x};

breaking_types

enum breaking_types

Enumerator
b_BK
b_CR
b_LF
b_CM
b_SG
b_GL
b_CB
b_SP
b_ZW
b_NL
b_WJ
b_JL
b_JV
b_JT
b_H2
b_H3
b_XX
b_OP
b_CL
b_CP
b_QU
b_NS
b_EX
b_SY
b_IS
b_PR
b_PO
b_NU
b_AL
b_ID
b_IN
b_HY
b_BB
b_BA
b_SA
b_AI
b_B2
b_HL
b_CJ
b_RI
b_EB
b_EM
b_ZWJ
b_AK
b_AP
b_AS
b_VF
b_VI
b_HH

Definition at line 41 of file breaking.c.

                    {
    b_BK=1, b_CR, b_LF, b_CM, b_SG, b_GL, b_CB, b_SP, b_ZW, b_NL, b_WJ, b_JL, b_JV, b_JT, b_H2, b_H3, b_XX, b_OP, b_CL,
    b_CP, b_QU, b_NS, b_EX, b_SY, b_IS, b_PR, b_PO, b_NU, b_AL, b_ID, b_IN, b_HY, b_BB, b_BA, b_SA, b_AI, b_B2, b_HL,
    b_CJ, b_RI, b_EB, b_EM, b_ZWJ, b_AK, b_AP, b_AS, b_VF, b_VI, b_HH,
};

Function Documentation

BREAK_line()

void BREAK_line	(	const WCHAR *	chars,
		int	count,
		const SCRIPT_ANALYSIS *	sa,
		SCRIPT_LOGATTR *	la
	)

Definition at line 76 of file breaking.c.

{
    int i,j;
    short *break_class;
    short *break_before;
 
    TRACE("In      %s\n",debugstr_wn(chars,count));
 
    break_class = malloc(count * sizeof(*break_class));
    break_before = malloc(count * sizeof(*break_before));
 
    for (i = 0; i < count; i++)
    {
        break_class[i] = get_table_entry_32( wine_linebreak_table, chars[i] );
        break_before[i] = 0;
 
        memset(&la[i],0,sizeof(SCRIPT_LOGATTR));
 
        la[i].fCharStop = TRUE;
        switch (break_class[i])
        {
            case b_BK:
            case b_ZW:
            case b_SP:
                la[i].fWhiteSpace = TRUE;
                break;
            case b_CM:
                la[i].fCharStop = FALSE;
                break;
        }
    }
 
    /* LB1 */
    /* TODO: Have outside algorithms for these scripts */
    for (i = 0; i < count; i++)
    {
        switch(break_class[i])
        {
            case b_AI:
            case b_SA:
            case b_SG:
            case b_XX:
                break_class[i] = b_AL;
                break;
            case b_CJ:
                break_class[i] = b_NS;
                break;
        }
    }
 
    /* LB2 - LB3 */
    break_before[0] = b_x;
    for (i = 0; i < count; i++)
    {
        switch(break_class[i])
        {
            /* LB4 - LB6 */
            case b_CR:
                if (i < count-1 && break_class[i+1] == b_LF)
                {
                    else_break(&break_before[i],b_x);
                    else_break(&break_before[i+1],b_x);
                    break;
                }
            case b_LF:
            case b_NL:
            case b_BK:
                if (i < count-1) else_break(&break_before[i+1],b_r);
                else_break(&break_before[i],b_x);
                break;
            /* LB7 */
            case b_SP:
                else_break(&break_before[i],b_x);
                break;
            case b_ZW:
                else_break(&break_before[i],b_x);
            /* LB8 */
                while (i < count-1 && break_class[i+1] == b_SP)
                    i++;
                else_break(&break_before[i],b_s);
                break;
        }
    }
 
    debug_output_breaks(break_before,count);
 
    /* LB9 - LB10 */
    for (i = 0; i < count; i++)
    {
        if (break_class[i] == b_CM)
        {
            if (i > 0)
            {
                switch (break_class[i-1])
                {
                    case b_SP:
                    case b_BK:
                    case b_CR:
                    case b_LF:
                    case b_NL:
                    case b_ZW:
                        break_class[i] = b_AL;
                        break;
                    default:
                        break_class[i] = break_class[i-1];
                }
            }
            else break_class[i] = b_AL;
        }
    }
 
    for (i = 0; i < count; i++)
    {
        switch(break_class[i])
        {
            /* LB11 */
            case b_WJ:
                else_break(&break_before[i],b_x);
                if (i < count-1)
                    else_break(&break_before[i+1],b_x);
                break;
            /* LB12 */
            case b_GL:
                if (i < count-1)
                    else_break(&break_before[i+1],b_x);
            /* LB12a */
                if (i > 0)
                {
                    if (break_class[i-1] != b_SP &&
                        break_class[i-1] != b_BA &&
                        break_class[i-1] != b_HY &&
                        break_class[i-1] != b_HH)
                        else_break(&break_before[i],b_x);
                }
                break;
            /* LB13 */
            case b_CL:
            case b_CP:
            case b_EX:
            case b_IS:
            case b_SY:
                else_break(&break_before[i],b_x);
                break;
            /* LB14 */
            case b_OP:
                while (i < count-1 && break_class[i+1] == b_SP)
                {
                    else_break(&break_before[i+1],b_x);
                    i++;
                }
                else_break(&break_before[i+1],b_x);
                break;
            /* LB15 */
            case b_QU:
                j = i+1;
                while (j < count-1 && break_class[j] == b_SP)
                    j++;
                if (break_class[j] == b_OP)
                {
                    for (; j > i; j--)
                        else_break(&break_before[j],b_x);
                }
                break;
            /* LB16 */
            case b_NS:
                j = i-1;
                while(j > 0 && break_class[j] == b_SP)
                    j--;
                if (break_class[j] == b_CL || break_class[j] == b_CP)
                {
                    for (j++; j <= i; j++)
                        else_break(&break_before[j],b_x);
                }
                break;
            /* LB17 */
            case b_B2:
                j = i+1;
                while (j < count && break_class[j] == b_SP)
                    j++;
                if (break_class[j] == b_B2)
                {
                    for (; j > i; j--)
                        else_break(&break_before[j],b_x);
                }
                break;
        }
    }
 
    debug_output_breaks(break_before,count);
 
    for (i = 0; i < count; i++)
    {
        switch(break_class[i])
        {
            /* LB18 */
            case b_SP:
                if (i < count-1)
                    else_break(&break_before[i+1],b_s);
                break;
            /* LB19 */
            case b_QU:
                else_break(&break_before[i],b_x);
                if (i < count-1)
                    else_break(&break_before[i+1],b_x);
                break;
            /* LB20 */
            case b_CB:
                else_break(&break_before[i],b_s);
                if (i < count-1)
                    else_break(&break_before[i+1],b_s);
                break;
            /* LB21 */
            case b_BA:
            case b_HY:
            case b_HH:
            case b_NS:
                else_break(&break_before[i],b_x);
                break;
            case b_BB:
                if (i < count-1)
                    else_break(&break_before[i+1],b_x);
                break;
            /* LB21a */
            case b_HL:
                if (i < count-2)
                    switch (break_class[i+1])
                    {
                    case b_HY:
                    case b_HH:
                    case b_BA:
                        else_break(&break_before[i+2], b_x);
                    }
                break;
            /* LB22 */
            case b_IN:
                if (i > 0)
                {
                    switch (break_class[i-1])
                    {
                        case b_AL:
                        case b_HL:
                        case b_ID:
                        case b_IN:
                        case b_NU:
                            else_break(&break_before[i], b_x);
                    }
                }
                break;
        }
 
        if (i < count-1)
        {
            /* LB23 */
            if ((break_class[i] == b_ID && break_class[i+1] == b_PO) ||
                (break_class[i] == b_AL && break_class[i+1] == b_NU) ||
                (break_class[i] == b_HL && break_class[i+1] == b_NU) ||
                (break_class[i] == b_NU && break_class[i+1] == b_AL) ||
                (break_class[i] == b_NU && break_class[i+1] == b_HL))
                    else_break(&break_before[i+1],b_x);
            /* LB24 */
            if ((break_class[i] == b_PR && break_class[i+1] == b_ID) ||
                (break_class[i] == b_PR && break_class[i+1] == b_AL) ||
                (break_class[i] == b_PR && break_class[i+1] == b_HL) ||
                (break_class[i] == b_PO && break_class[i+1] == b_AL) ||
                (break_class[i] == b_PO && break_class[i+1] == b_HL))
                    else_break(&break_before[i+1],b_x);
 
            /* LB25 */
            if ((break_class[i] == b_CL && break_class[i+1] == b_PO) ||
                (break_class[i] == b_CP && break_class[i+1] == b_PO) ||
                (break_class[i] == b_CL && break_class[i+1] == b_PR) ||
                (break_class[i] == b_CP && break_class[i+1] == b_PR) ||
                (break_class[i] == b_NU && break_class[i+1] == b_PO) ||
                (break_class[i] == b_NU && break_class[i+1] == b_PR) ||
                (break_class[i] == b_PO && break_class[i+1] == b_OP) ||
                (break_class[i] == b_PO && break_class[i+1] == b_NU) ||
                (break_class[i] == b_PR && break_class[i+1] == b_OP) ||
                (break_class[i] == b_PR && break_class[i+1] == b_NU) ||
                (break_class[i] == b_HY && break_class[i+1] == b_NU) ||
                (break_class[i] == b_IS && break_class[i+1] == b_NU) ||
                (break_class[i] == b_NU && break_class[i+1] == b_NU) ||
                (break_class[i] == b_SY && break_class[i+1] == b_NU))
                    else_break(&break_before[i+1],b_x);
 
            /* LB26 */
            if (break_class[i] == b_JL)
            {
                switch (break_class[i+1])
                {
                    case b_JL:
                    case b_JV:
                    case b_H2:
                    case b_H3:
                        else_break(&break_before[i+1],b_x);
                }
            }
            if ((break_class[i] == b_JV || break_class[i] == b_H2) &&
                (break_class[i+1] == b_JV || break_class[i+1] == b_JT))
                    else_break(&break_before[i+1],b_x);
            if ((break_class[i] == b_JT || break_class[i] == b_H3) &&
                 break_class[i+1] == b_JT)
                    else_break(&break_before[i+1],b_x);
 
            /* LB27 */
            switch (break_class[i])
            {
                case b_JL:
                case b_JV:
                case b_JT:
                case b_H2:
                case b_H3:
                    if (break_class[i+1] == b_IN || break_class[i+1] == b_PO)
                        else_break(&break_before[i+1],b_x);
            }
            if (break_class[i] == b_PR)
            {
                switch (break_class[i+1])
                {
                    case b_JL:
                    case b_JV:
                    case b_JT:
                    case b_H2:
                    case b_H3:
                        else_break(&break_before[i+1],b_x);
                }
            }
 
            /* LB28 */
            if ((break_class[i] == b_AL && break_class[i+1] == b_AL) ||
                (break_class[i] == b_AL && break_class[i+1] == b_HL) ||
                (break_class[i] == b_HL && break_class[i+1] == b_AL) ||
                (break_class[i] == b_HL && break_class[i+1] == b_HL))
                else_break(&break_before[i+1],b_x);
 
            /* LB29 */
            if ((break_class[i] == b_IS && break_class[i+1] == b_AL) ||
                (break_class[i] == b_IS && break_class[i+1] == b_HL))
                else_break(&break_before[i+1],b_x);
 
            /* LB30 */
            if ((break_class[i] == b_AL || break_class[i] == b_HL || break_class[i] == b_NU) &&
                 break_class[i+1] == b_OP)
                else_break(&break_before[i+1],b_x);
            if (break_class[i] == b_CP &&
                (break_class[i+1] == b_AL || break_class[i+1] == b_HL || break_class[i+1] == b_NU))
                else_break(&break_before[i+1],b_x);
 
            /* LB30a */
            if (break_class[i] == b_RI && break_class[i+1] == b_RI)
                else_break(&break_before[i+1],b_x);
        }
    }
    debug_output_breaks(break_before,count);
 
    /* LB31 */
    for (i = 0; i < count-1; i++)
        else_break(&break_before[i+1],b_s);
 
    debug_output_breaks(break_before,count);
    for (i = 0; i < count; i++)
    {
        if (break_before[i] != b_x)
        {
            la[i].fSoftBreak = TRUE;
            la[i].fWordStop = TRUE;
        }
    }
 
    free(break_before);
    free(break_class);
}

Referenced by ScriptBreak().

debug_output_breaks()

static void debug_output_breaks ( const short *  breaks, int  count  )

static

Definition at line 49 of file breaking.c.

{
    if (TRACE_ON(uniscribe))
    {
        int i;
        TRACE("[");
        for (i = 0; i < count && i < 200; i++)
        {
            switch (breaks[i])
            {
                case b_x: TRACE("x"); break;
                case b_r: TRACE("!"); break;
                case b_s: TRACE("+"); break;
                default: TRACE("*");
            }
        }
        if (i == 200)
            TRACE("...");
        TRACE("]\n");
    }
}

Referenced by BREAK_line().

else_break()

static void else_break ( short *  before, short  class  )

inlinestatic

Definition at line 71 of file breaking.c.

{
    if (*before == 0)  *before = class;
}

Referenced by BREAK_line(), and vsir_cfg_move_breaks_out_of_selections().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

uniscribe

)

Variable Documentation

wine_linebreak_table

const unsigned short wine_linebreak_table[]

extern

Definition at line 7 of file linebreak.c.

Referenced by BREAK_line().