503 lines
11 KiB
C++
503 lines
11 KiB
C++
/*
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*
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* (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
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*
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*/
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#include "layout/LETypes.h"
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#include "layout/loengine.h"
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#include "layout/plruns.h"
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#include "unicode/locid.h"
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#include "layout/LayoutEngine.h"
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#include "layout/RunArrays.h"
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U_NAMESPACE_USE
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U_CAPI pl_fontRuns * U_EXPORT2
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pl_openFontRuns(const le_font **fonts,
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const le_int32 *limits,
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le_int32 count)
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{
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return (pl_fontRuns *) new FontRuns((const LEFontInstance **) fonts, limits, count);
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}
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U_CAPI pl_fontRuns * U_EXPORT2
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pl_openEmptyFontRuns(le_int32 initialCapacity)
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{
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return (pl_fontRuns *) new FontRuns(initialCapacity);
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}
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U_CAPI void U_EXPORT2
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pl_closeFontRuns(pl_fontRuns *fontRuns)
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{
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FontRuns *fr = (FontRuns *) fontRuns;
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delete fr;
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getFontRunCount(const pl_fontRuns *fontRuns)
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{
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const FontRuns *fr = (const FontRuns *) fontRuns;
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if (fr == NULL) {
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return -1;
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}
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return fr->getCount();
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}
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U_CAPI void U_EXPORT2
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pl_resetFontRuns(pl_fontRuns *fontRuns)
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{
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FontRuns *fr = (FontRuns *) fontRuns;
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if (fr != NULL) {
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fr->reset();
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}
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getFontRunLastLimit(const pl_fontRuns *fontRuns)
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{
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const FontRuns *fr = (const FontRuns *) fontRuns;
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if (fr == NULL) {
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return -1;
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}
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return fr->getLimit();
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getFontRunLimit(const pl_fontRuns *fontRuns,
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le_int32 run)
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{
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const FontRuns *fr = (const FontRuns *) fontRuns;
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if (fr == NULL) {
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return -1;
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}
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return fr->getLimit(run);
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}
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U_CAPI const le_font * U_EXPORT2
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pl_getFontRunFont(const pl_fontRuns *fontRuns,
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le_int32 run)
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{
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const FontRuns *fr = (const FontRuns *) fontRuns;
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if (fr == NULL) {
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return NULL;
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}
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return (const le_font *) fr->getFont(run);
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}
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U_CAPI le_int32 U_EXPORT2
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pl_addFontRun(pl_fontRuns *fontRuns,
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const le_font *font,
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le_int32 limit)
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{
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FontRuns *fr = (FontRuns *) fontRuns;
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if (fr == NULL) {
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return -1;
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}
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return fr->add((const LEFontInstance *) font, limit);
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}
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U_CAPI pl_valueRuns * U_EXPORT2
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pl_openValueRuns(const le_int32 *values,
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const le_int32 *limits,
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le_int32 count)
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{
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return (pl_valueRuns *) new ValueRuns(values, limits, count);
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}
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U_CAPI pl_valueRuns * U_EXPORT2
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pl_openEmptyValueRuns(le_int32 initialCapacity)
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{
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return (pl_valueRuns *) new ValueRuns(initialCapacity);
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}
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U_CAPI void U_EXPORT2
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pl_closeValueRuns(pl_valueRuns *valueRuns)
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{
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ValueRuns *vr = (ValueRuns *) valueRuns;
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delete vr;
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getValueRunCount(const pl_valueRuns *valueRuns)
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{
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const ValueRuns *vr = (const ValueRuns *) valueRuns;
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if (vr == NULL) {
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return -1;
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}
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return vr->getCount();
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}
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U_CAPI void U_EXPORT2
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pl_resetValueRuns(pl_valueRuns *valueRuns)
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{
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ValueRuns *vr = (ValueRuns *) valueRuns;
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if (vr != NULL) {
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vr->reset();
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}
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getValueRunLastLimit(const pl_valueRuns *valueRuns)
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{
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const ValueRuns *vr = (const ValueRuns *) valueRuns;
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if (vr == NULL) {
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return -1;
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}
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return vr->getLimit();
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getValueRunLimit(const pl_valueRuns *valueRuns,
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le_int32 run)
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{
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const ValueRuns *vr = (const ValueRuns *) valueRuns;
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if (vr == NULL) {
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return -1;
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}
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return vr->getLimit(run);
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getValueRunValue(const pl_valueRuns *valueRuns,
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le_int32 run)
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{
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const ValueRuns *vr = (const ValueRuns *) valueRuns;
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if (vr == NULL) {
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return -1;
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}
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return vr->getValue(run);
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}
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U_CAPI le_int32 U_EXPORT2
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pl_addValueRun(pl_valueRuns *valueRuns,
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le_int32 value,
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le_int32 limit)
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{
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ValueRuns *vr = (ValueRuns *) valueRuns;
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if (vr == NULL) {
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return -1;
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}
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return vr->add(value, limit);
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}
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U_NAMESPACE_BEGIN
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class ULocRuns : public LocaleRuns
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{
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public:
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/**
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* Construct a <code>LocaleRuns</code> object from pre-existing arrays of locales
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* and limit indices.
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*
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* @param locales is the address of an array of locale name strings. This array,
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* and the <code>Locale</code> objects to which it points, must remain valid until
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* the <code>LocaleRuns</code> object is destroyed.
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*
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* @param limits is the address of an array of limit indices. This array must remain valid until the
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* <code>LocaleRuns</code> object is destroyed.
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*
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* @param count is the number of entries in the two arrays.
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*
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* @draft ICU 3.8
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*/
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ULocRuns(const char **locales, const le_int32 *limits, le_int32 count);
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/**
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* Construct an empty <code>LoIDRuns</code> object. Clients can add locale and limit
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* indices arrays using the <code>add</code> method.
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*
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* @param initialCapacity is the initial size of the locale and limit indices arrays. If
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* this value is zero, no arrays will be allocated.
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*
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* @see add
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*
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* @draft ICU 3.8
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*/
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ULocRuns(le_int32 initialCapacity);
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/**
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* The destructor; virtual so that subclass destructors are invoked as well.
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*
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* @draft ICU 3.8
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*/
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virtual ~ULocRuns();
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/**
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* Get the name of the locale assoicated with the given run
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* of text. Use <code>RunArray::getLimit(run)</code> to get the corresponding
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* limit index.
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*
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* @param run is the index into the font and limit indices arrays.
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*
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* @return the locale name associated with the given text run.
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*
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* @see RunArray::getLimit
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*
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* @draft ICU 3.8
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*/
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const char *getLocaleName(le_int32 run) const;
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/**
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* Add a <code>Locale</code> and limit index pair to the data arrays and return
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* the run index where the data was stored. This method calls
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* <code>RunArray::add(limit)</code> which will create or grow the arrays as needed.
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*
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* If the <code>ULocRuns</code> object was created with a client-supplied
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* locale and limit indices arrays, this method will return a run index of -1.
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*
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* Subclasses should not override this method. Rather they should provide a new <code>add</code>
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* method which takes a locale name and a limit index along with whatever other data they implement.
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* The new <code>add</code> method should first call this method to grow the font and limit indices
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* arrays, and use the returned run index to store data their own arrays.
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*
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* @param locale is the name of the locale to add. This object must remain valid
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* until the <code>ULocRuns</code> object is destroyed.
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*
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* @param limit is the limit index to add
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*
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* @return the run index where the locale and limit index were stored, or -1 if the data cannot be stored.
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*
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* @draft ICU 3.8
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*/
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le_int32 add(const char *locale, le_int32 limit);
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/**
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* ICU "poor man's RTTI", returns a UClassID for this class.
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*
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* @draft ICU 3.8
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*/
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static inline UClassID getStaticClassID();
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/**
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* ICU "poor man's RTTI", returns a UClassID for the actual class.
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*
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* @draft ICU 3.8
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*/
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virtual inline UClassID getDynamicClassID() const;
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protected:
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virtual void init(le_int32 capacity);
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virtual void grow(le_int32 capacity);
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private:
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inline ULocRuns();
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inline ULocRuns(const ULocRuns &other);
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inline ULocRuns &operator=(const ULocRuns & /*other*/) { return *this; };
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const char **fLocaleNames;
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Locale **fLocalesCopy;
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};
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inline ULocRuns::ULocRuns()
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: LocaleRuns(0), fLocaleNames(NULL)
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{
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// nothing else to do...
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}
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inline ULocRuns::ULocRuns(const ULocRuns & /*other*/)
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: LocaleRuns(0), fLocaleNames(NULL)
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{
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// nothing else to do...
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}
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static const Locale **getLocales(const char **localeNames, le_int32 count)
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{
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Locale **locales = LE_NEW_ARRAY(Locale *, count);
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for (int i = 0; i < count; i += 1) {
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locales[i] = new Locale(Locale::createFromName(localeNames[i]));
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}
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return (const Locale **) locales;
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}
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ULocRuns::ULocRuns(const char **locales, const le_int32 *limits, le_int32 count)
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: LocaleRuns(getLocales(locales, count), limits, count), fLocaleNames(locales)
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{
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// nothing else to do...
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}
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ULocRuns::ULocRuns(le_int32 initialCapacity)
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: LocaleRuns(initialCapacity), fLocaleNames(NULL)
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{
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if(initialCapacity > 0) {
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fLocaleNames = LE_NEW_ARRAY(const char *, initialCapacity);
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}
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}
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ULocRuns::~ULocRuns()
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{
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le_int32 count = getCount();
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for(int i = 0; i < count; i += 1) {
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delete fLocales[i];
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}
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if (fClientArrays) {
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LE_DELETE_ARRAY(fLocales);
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fLocales = NULL;
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} else {
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LE_DELETE_ARRAY(fLocaleNames);
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fLocaleNames = NULL;
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}
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}
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void ULocRuns::init(le_int32 capacity)
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{
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LocaleRuns::init(capacity);
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fLocaleNames = LE_NEW_ARRAY(const char *, capacity);
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}
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void ULocRuns::grow(le_int32 capacity)
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{
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RunArray::grow(capacity);
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fLocaleNames = (const char **) LE_GROW_ARRAY(fLocaleNames, capacity);
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}
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le_int32 ULocRuns::add(const char *locale, le_int32 limit)
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{
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Locale *loc = new Locale(Locale::createFromName(locale));
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le_int32 index = LocaleRuns::add(loc, limit);
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if (index >= 0) {
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char **localeNames = (char **) fLocaleNames;
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localeNames[index] = (char *) locale;
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}
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return index;
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}
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const char *ULocRuns::getLocaleName(le_int32 run) const
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{
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if (run < 0 || run >= getCount()) {
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return NULL;
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}
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return fLocaleNames[run];
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}
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ULocRuns)
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U_NAMESPACE_END
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U_CAPI pl_localeRuns * U_EXPORT2
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pl_openLocaleRuns(const char **locales,
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const le_int32 *limits,
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le_int32 count)
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{
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return (pl_localeRuns *) new ULocRuns(locales, limits, count);
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}
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U_CAPI pl_localeRuns * U_EXPORT2
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pl_openEmptyLocaleRuns(le_int32 initialCapacity)
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{
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return (pl_localeRuns *) new ULocRuns(initialCapacity);
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}
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U_CAPI void U_EXPORT2
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pl_closeLocaleRuns(pl_localeRuns *localeRuns)
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{
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ULocRuns *lr = (ULocRuns *) localeRuns;
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delete lr;
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getLocaleRunCount(const pl_localeRuns *localeRuns)
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{
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const ULocRuns *lr = (const ULocRuns *) localeRuns;
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if (lr == NULL) {
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return -1;
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}
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return lr->getCount();
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}
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U_CAPI void U_EXPORT2
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pl_resetLocaleRuns(pl_localeRuns *localeRuns)
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{
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ULocRuns *lr = (ULocRuns *) localeRuns;
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if (lr != NULL) {
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lr->reset();
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}
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getLocaleRunLastLimit(const pl_localeRuns *localeRuns)
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{
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const ULocRuns *lr = (const ULocRuns *) localeRuns;
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if (lr == NULL) {
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return -1;
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}
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return lr->getLimit();
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}
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U_CAPI le_int32 U_EXPORT2
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pl_getLocaleRunLimit(const pl_localeRuns *localeRuns,
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le_int32 run)
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{
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const ULocRuns *lr = (const ULocRuns *) localeRuns;
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if (lr == NULL) {
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return -1;
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}
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return lr->getLimit(run);
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}
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U_CAPI const char * U_EXPORT2
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pl_getLocaleRunLocale(const pl_localeRuns *localeRuns,
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le_int32 run)
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{
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const ULocRuns *lr = (const ULocRuns *) localeRuns;
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if (lr == NULL) {
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return NULL;
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}
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return lr->getLocaleName(run);
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}
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U_CAPI le_int32 U_EXPORT2
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pl_addLocaleRun(pl_localeRuns *localeRuns,
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const char *locale,
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le_int32 limit)
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{
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ULocRuns *lr = (ULocRuns *) localeRuns;
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if (lr == NULL) {
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return -1;
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}
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return lr->add(locale, limit);
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}
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