scuffed-code/icu4c/source/layoutex/plruns.cpp

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