X-Git-Url: https://git.saurik.com/android/aapt.git/blobdiff_plain/99484c925997fee8a635d3676020943fece65f73..6173c931f72d79ac860283edf0ceed9182fd6b8f:/StringPool.cpp

diff --git a/StringPool.cpp b/StringPool.cpp
index fe88e37..839eda5 100644
--- a/StringPool.cpp
+++ b/StringPool.cpp
@@ -9,6 +9,7 @@
 
 #include <utils/ByteOrder.h>
 #include <utils/SortedVector.h>
+#include <cutils/qsort_r_compat.h>
 
 #if HAVE_PRINTF_ZD
 #  define ZD "%zd"
@@ -71,14 +72,16 @@ String8 StringPool::entry::makeConfigsString() const {
 }
 
 int StringPool::entry::compare(const entry& o) const {
-    // Strings with styles go first, to reduce the size of the
-    // styles array.
+    // Strings with styles go first, to reduce the size of the styles array.
+    // We don't care about the relative order of these strings.
     if (hasStyles) {
         return o.hasStyles ? 0 : -1;
     }
     if (o.hasStyles) {
         return 1;
     }
+
+    // Sort unstyled strings by type, then by logical configuration.
     int comp = configTypeName.compare(o.configTypeName);
     if (comp != 0) {
         return comp;
@@ -98,39 +101,24 @@ int StringPool::entry::compare(const entry& o) const {
     return 0;
 }
 
-StringPool::StringPool(bool sorted, bool utf8)
-    : mSorted(sorted), mUTF8(utf8), mValues(-1), mIdents(-1)
-{
-}
-
-ssize_t StringPool::add(const String16& value, bool mergeDuplicates,
-        const String8* configTypeName, const ResTable_config* config)
+StringPool::StringPool(bool utf8) :
+        mUTF8(utf8), mValues(-1)
 {
-    return add(String16(), value, mergeDuplicates, configTypeName, config);
 }
 
 ssize_t StringPool::add(const String16& value, const Vector<entry_style_span>& spans,
         const String8* configTypeName, const ResTable_config* config)
 {
-    ssize_t res = add(String16(), value, false, configTypeName, config);
+    ssize_t res = add(value, false, configTypeName, config);
     if (res >= 0) {
         addStyleSpans(res, spans);
     }
     return res;
 }
 
-ssize_t StringPool::add(const String16& ident, const String16& value,
+ssize_t StringPool::add(const String16& value,
         bool mergeDuplicates, const String8* configTypeName, const ResTable_config* config)
 {
-    if (ident.size() > 0) {
-        ssize_t idx = mIdents.valueFor(ident);
-        if (idx >= 0) {
-            fprintf(stderr, "ERROR: Duplicate string identifier %s\n",
-                    String8(mEntries[idx].value).string());
-            return UNKNOWN_ERROR;
-        }
-    }
-
     ssize_t vidx = mValues.indexOfKey(value);
     ssize_t pos = vidx >= 0 ? mValues.valueAt(vidx) : -1;
     ssize_t eidx = pos >= 0 ? mEntryArray.itemAt(pos) : -1;
@@ -174,19 +162,15 @@ ssize_t StringPool::add(const String16& ident, const String16& value,
     }
 
     const bool first = vidx < 0;
-    if (first || !mergeDuplicates) {
+    const bool styled = (pos >= 0 && (size_t)pos < mEntryStyleArray.size()) ?
+        mEntryStyleArray[pos].spans.size() : 0;
+    if (first || styled || !mergeDuplicates) {
         pos = mEntryArray.add(eidx);
         if (first) {
             vidx = mValues.add(value, pos);
         }
-        if (!mSorted) {
-            entry& ent = mEntries.editItemAt(eidx);
-            ent.indices.add(pos);
-        }
-    }
-
-    if (ident.size() > 0) {
-        mIdents.add(ident, vidx);
+        entry& ent = mEntries.editItemAt(eidx);
+        ent.indices.add(pos);
     }
 
     NOISY(printf("Adding string %s to pool: pos=%d eidx=%d vidx=%d\n",
@@ -219,8 +203,6 @@ status_t StringPool::addStyleSpans(size_t idx, const Vector<entry_style_span>& s
 
 status_t StringPool::addStyleSpan(size_t idx, const entry_style_span& span)
 {
-    LOG_ALWAYS_FATAL_IF(mSorted, "Can't use styles with sorted string pools.");
-
     // Place blank entries in the span array up to this index.
     while (mEntryStyleArray.size() <= idx) {
         mEntryStyleArray.add();
@@ -232,37 +214,16 @@ status_t StringPool::addStyleSpan(size_t idx, const entry_style_span& span)
     return NO_ERROR;
 }
 
-size_t StringPool::size() const
-{
-    return mSorted ? mValues.size() : mEntryArray.size();
-}
-
-const StringPool::entry& StringPool::entryAt(size_t idx) const
-{
-    if (!mSorted) {
-        return mEntries[mEntryArray[idx]];
-    } else {
-        return mEntries[mEntryArray[mValues.valueAt(idx)]];
-    }
-}
-
-size_t StringPool::countIdentifiers() const
-{
-    return mIdents.size();
-}
-
-int StringPool::config_sort(const size_t* lhs, const size_t* rhs, void* state)
+int StringPool::config_sort(void* state, const void* lhs, const void* rhs)
 {
     StringPool* pool = (StringPool*)state;
-    const entry& lhe = pool->mEntries[pool->mEntryArray[*lhs]];
-    const entry& rhe = pool->mEntries[pool->mEntryArray[*rhs]];
+    const entry& lhe = pool->mEntries[pool->mEntryArray[*static_cast<const size_t*>(lhs)]];
+    const entry& rhe = pool->mEntries[pool->mEntryArray[*static_cast<const size_t*>(rhs)]];
     return lhe.compare(rhe);
 }
 
 void StringPool::sortByConfig()
 {
-    LOG_ALWAYS_FATAL_IF(mSorted, "Can't sort string pool containing identifiers.");
-    LOG_ALWAYS_FATAL_IF(mIdents.size() > 0, "Can't sort string pool containing identifiers.");
     LOG_ALWAYS_FATAL_IF(mOriginalPosToNewPos.size() > 0, "Can't sort string pool after already sorted.");
 
     const size_t N = mEntryArray.size();
@@ -272,13 +233,17 @@ void StringPool::sortByConfig()
     // At that point it maps from the new position in the array to the
     // original position the entry appeared.
     Vector<size_t> newPosToOriginalPos;
-    for (size_t i=0; i<mEntryArray.size(); i++) {
+    newPosToOriginalPos.setCapacity(N);
+    for (size_t i=0; i < N; i++) {
         newPosToOriginalPos.add(i);
     }
 
     // Sort the array.
     NOISY(printf("SORTING STRINGS BY CONFIGURATION...\n"));
-    newPosToOriginalPos.sort(config_sort, this);
+    // Vector::sort uses insertion sort, which is very slow for this data set.
+    // Use quicksort instead because we don't need a stable sort here.
+    qsort_r_compat(newPosToOriginalPos.editArray(), N, sizeof(size_t), this, config_sort);
+    //newPosToOriginalPos.sort(config_sort, this);
     NOISY(printf("DONE SORTING STRINGS BY CONFIGURATION.\n"));
 
     // Create the reverse mapping from the original position in the array
@@ -430,7 +395,7 @@ status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
         }
     }
 
-    const size_t ENTRIES = size();
+    const size_t ENTRIES = mEntryArray.size();
 
     // Now build the pool of unique strings.
 
@@ -564,9 +529,6 @@ status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
     header->header.size = htodl(pool->getSize());
     header->stringCount = htodl(ENTRIES);
     header->styleCount = htodl(STYLES);
-    if (mSorted) {
-        header->flags |= htodl(ResStringPool_header::SORTED_FLAG);
-    }
     if (mUTF8) {
         header->flags |= htodl(ResStringPool_header::UTF8_FLAG);
     }
@@ -576,33 +538,18 @@ status_t StringPool::writeStringBlock(const sp<AaptFile>& pool)
     // Write string index array.
 
     uint32_t* index = (uint32_t*)(header+1);
-    if (mSorted) {
-        for (i=0; i<ENTRIES; i++) {
-            entry& ent = const_cast<entry&>(entryAt(i));
-            ent.indices.clear();
-            ent.indices.add(i);
-            *index++ = htodl(ent.offset);
-        }
-    } else {
-        for (i=0; i<ENTRIES; i++) {
-            entry& ent = mEntries.editItemAt(mEntryArray[i]);
-            *index++ = htodl(ent.offset);
-            NOISY(printf("Writing entry #%d: \"%s\" ent=%d off=%d\n", i,
-                    String8(ent.value).string(),
-                    mEntryArray[i], ent.offset));
-        }
+    for (i=0; i<ENTRIES; i++) {
+        entry& ent = mEntries.editItemAt(mEntryArray[i]);
+        *index++ = htodl(ent.offset);
+        NOISY(printf("Writing entry #%d: \"%s\" ent=%d off=%d\n", i,
+                String8(ent.value).string(),
+                mEntryArray[i], ent.offset));
     }
 
     // Write style index array.
 
-    if (mSorted) {
-        for (i=0; i<STYLES; i++) {
-            LOG_ALWAYS_FATAL("Shouldn't be here!");
-        }
-    } else {
-        for (i=0; i<STYLES; i++) {
-            *index++ = htodl(mEntryStyleArray[i].offset);
-        }
+    for (i=0; i<STYLES; i++) {
+        *index++ = htodl(mEntryStyleArray[i].offset);
     }
 
     return NO_ERROR;