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-rw-r--r--libs/androidfw/AttributeResolution.cpp202
1 files changed, 124 insertions, 78 deletions
diff --git a/libs/androidfw/AttributeResolution.cpp b/libs/androidfw/AttributeResolution.cpp
index d71fc39802aa..f5aef05e8842 100644
--- a/libs/androidfw/AttributeResolution.cpp
+++ b/libs/androidfw/AttributeResolution.cpp
@@ -14,34 +14,41 @@
* limitations under the License.
*/
-#include "AttributeFinder.h"
-
#include "androidfw/AttributeResolution.h"
-#include "androidfw/ResourceTypes.h"
-#include <android/log.h>
#include <cstdint>
+#include <android/log.h>
+
+#include "androidfw/AttributeFinder.h"
+#include "androidfw/ResourceTypes.h"
+
constexpr bool kDebugStyles = false;
namespace android {
-class XmlAttributeFinder : public BackTrackingAttributeFinder<XmlAttributeFinder, size_t> {
+class XmlAttributeFinder
+ : public BackTrackingAttributeFinder<XmlAttributeFinder, size_t> {
public:
explicit XmlAttributeFinder(const ResXMLParser* parser)
- : BackTrackingAttributeFinder(0, parser != NULL ? parser->getAttributeCount() : 0),
+ : BackTrackingAttributeFinder(
+ 0, parser != nullptr ? parser->getAttributeCount() : 0),
parser_(parser) {}
- inline uint32_t GetAttribute(size_t index) const { return parser_->getAttributeNameResID(index); }
+ inline uint32_t GetAttribute(size_t index) const {
+ return parser_->getAttributeNameResID(index);
+ }
private:
const ResXMLParser* parser_;
};
class BagAttributeFinder
- : public BackTrackingAttributeFinder<BagAttributeFinder, const ResTable::bag_entry*> {
+ : public BackTrackingAttributeFinder<BagAttributeFinder,
+ const ResTable::bag_entry*> {
public:
- BagAttributeFinder(const ResTable::bag_entry* start, const ResTable::bag_entry* end)
+ BagAttributeFinder(const ResTable::bag_entry* start,
+ const ResTable::bag_entry* end)
: BackTrackingAttributeFinder(start, end) {}
inline uint32_t GetAttribute(const ResTable::bag_entry* entry) const {
@@ -49,12 +56,14 @@ class BagAttributeFinder
}
};
-bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_style_res,
- uint32_t* src_values, size_t src_values_length, uint32_t* attrs,
- size_t attrs_length, uint32_t* out_values, uint32_t* out_indices) {
+bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr,
+ uint32_t def_style_res, uint32_t* src_values,
+ size_t src_values_length, uint32_t* attrs,
+ size_t attrs_length, uint32_t* out_values,
+ uint32_t* out_indices) {
if (kDebugStyles) {
- ALOGI("APPLY STYLE: theme=0x%p defStyleAttr=0x%x defStyleRes=0x%x", theme, def_style_attr,
- def_style_res);
+ ALOGI("APPLY STYLE: theme=0x%p defStyleAttr=0x%x defStyleRes=0x%x", theme,
+ def_style_attr, def_style_res);
}
const ResTable& res = theme->getResTable();
@@ -67,7 +76,8 @@ bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_
uint32_t def_style_bag_type_set_flags = 0;
if (def_style_attr != 0) {
Res_value value;
- if (theme->getAttribute(def_style_attr, &value, &def_style_bag_type_set_flags) >= 0) {
+ if (theme->getAttribute(def_style_attr, &value,
+ &def_style_bag_type_set_flags) >= 0) {
if (value.dataType == Res_value::TYPE_REFERENCE) {
def_style_res = value.data;
}
@@ -78,14 +88,15 @@ bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_
res.lock();
// Retrieve the default style bag, if requested.
- const ResTable::bag_entry* def_style_start = NULL;
+ const ResTable::bag_entry* def_style_start = nullptr;
uint32_t def_style_type_set_flags = 0;
- ssize_t bag_off =
- def_style_res != 0
- ? res.getBagLocked(def_style_res, &def_style_start, &def_style_type_set_flags)
- : -1;
+ ssize_t bag_off = def_style_res != 0
+ ? res.getBagLocked(def_style_res, &def_style_start,
+ &def_style_type_set_flags)
+ : -1;
def_style_type_set_flags |= def_style_bag_type_set_flags;
- const ResTable::bag_entry* const def_style_end = def_style_start + (bag_off >= 0 ? bag_off : 0);
+ const ResTable::bag_entry* const def_style_end =
+ def_style_start + (bag_off >= 0 ? bag_off : 0);
BagAttributeFinder def_style_attr_finder(def_style_start, def_style_end);
// Now iterate through all of the attributes that the client has requested,
@@ -113,18 +124,21 @@ bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_
value.dataType = Res_value::TYPE_ATTRIBUTE;
value.data = src_values[ii];
if (kDebugStyles) {
- ALOGI("-> From values: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From values: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
if (value.dataType == Res_value::TYPE_NULL) {
- const ResTable::bag_entry* const def_style_entry = def_style_attr_finder.Find(cur_ident);
+ const ResTable::bag_entry* const def_style_entry =
+ def_style_attr_finder.Find(cur_ident);
if (def_style_entry != def_style_end) {
block = def_style_entry->stringBlock;
type_set_flags = def_style_type_set_flags;
value = def_style_entry->map.value;
if (kDebugStyles) {
- ALOGI("-> From def style: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From def style: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
}
@@ -132,24 +146,29 @@ bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_
uint32_t resid = 0;
if (value.dataType != Res_value::TYPE_NULL) {
// Take care of resolving the found resource to its final value.
- ssize_t new_block =
- theme->resolveAttributeReference(&value, block, &resid, &type_set_flags, &config);
+ ssize_t new_block = theme->resolveAttributeReference(
+ &value, block, &resid, &type_set_flags, &config);
if (new_block >= 0) block = new_block;
if (kDebugStyles) {
- ALOGI("-> Resolved attr: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> Resolved attr: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
} else {
// If we still don't have a value for this attribute, try to find
// it in the theme!
- ssize_t new_block = theme->getAttribute(cur_ident, &value, &type_set_flags);
+ ssize_t new_block =
+ theme->getAttribute(cur_ident, &value, &type_set_flags);
if (new_block >= 0) {
if (kDebugStyles) {
- ALOGI("-> From theme: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From theme: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
- new_block = res.resolveReference(&value, new_block, &resid, &type_set_flags, &config);
+ new_block = res.resolveReference(&value, new_block, &resid,
+ &type_set_flags, &config);
if (new_block >= 0) block = new_block;
if (kDebugStyles) {
- ALOGI("-> Resolved theme: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> Resolved theme: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
}
@@ -165,19 +184,21 @@ bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_
}
if (kDebugStyles) {
- ALOGI("Attribute 0x%08x: type=0x%x, data=0x%08x", cur_ident, value.dataType, value.data);
+ ALOGI("Attribute 0x%08x: type=0x%x, data=0x%08x", cur_ident,
+ value.dataType, value.data);
}
// Write the final value back to Java.
out_values[STYLE_TYPE] = value.dataType;
out_values[STYLE_DATA] = value.data;
out_values[STYLE_ASSET_COOKIE] =
- block != -1 ? static_cast<uint32_t>(res.getTableCookie(block)) : static_cast<uint32_t>(-1);
+ block != -1 ? static_cast<uint32_t>(res.getTableCookie(block))
+ : static_cast<uint32_t>(-1);
out_values[STYLE_RESOURCE_ID] = resid;
out_values[STYLE_CHANGING_CONFIGURATIONS] = type_set_flags;
out_values[STYLE_DENSITY] = config.density;
- if (out_indices != NULL && value.dataType != Res_value::TYPE_NULL) {
+ if (out_indices != nullptr && value.dataType != Res_value::TYPE_NULL) {
indices_idx++;
out_indices[indices_idx] = ii;
}
@@ -187,7 +208,7 @@ bool ResolveAttrs(ResTable::Theme* theme, uint32_t def_style_attr, uint32_t def_
res.unlock();
- if (out_indices != NULL) {
+ if (out_indices != nullptr) {
out_indices[0] = indices_idx;
}
return true;
@@ -197,8 +218,8 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
uint32_t def_style_res, const uint32_t* attrs, size_t attrs_length,
uint32_t* out_values, uint32_t* out_indices) {
if (kDebugStyles) {
- ALOGI("APPLY STYLE: theme=0x%p defStyleAttr=0x%x defStyleRes=0x%x xml=0x%p", theme,
- def_style_attr, def_style_res, xml_parser);
+ ALOGI("APPLY STYLE: theme=0x%p defStyleAttr=0x%x defStyleRes=0x%x xml=0x%p",
+ theme, def_style_attr, def_style_res, xml_parser);
}
const ResTable& res = theme->getResTable();
@@ -211,7 +232,8 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
uint32_t def_style_bag_type_set_flags = 0;
if (def_style_attr != 0) {
Res_value value;
- if (theme->getAttribute(def_style_attr, &value, &def_style_bag_type_set_flags) >= 0) {
+ if (theme->getAttribute(def_style_attr, &value,
+ &def_style_bag_type_set_flags) >= 0) {
if (value.dataType == Res_value::TYPE_REFERENCE) {
def_style_res = value.data;
}
@@ -221,11 +243,12 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
// Retrieve the style class associated with the current XML tag.
int style = 0;
uint32_t style_bag_type_set_flags = 0;
- if (xml_parser != NULL) {
+ if (xml_parser != nullptr) {
ssize_t idx = xml_parser->indexOfStyle();
if (idx >= 0 && xml_parser->getAttributeValue(idx, &value) >= 0) {
if (value.dataType == value.TYPE_ATTRIBUTE) {
- if (theme->getAttribute(value.data, &value, &style_bag_type_set_flags) < 0) {
+ if (theme->getAttribute(value.data, &value, &style_bag_type_set_flags) <
+ 0) {
value.dataType = Res_value::TYPE_NULL;
}
}
@@ -239,29 +262,35 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
res.lock();
// Retrieve the default style bag, if requested.
- const ResTable::bag_entry* def_style_attr_start = NULL;
+ const ResTable::bag_entry* def_style_attr_start = nullptr;
uint32_t def_style_type_set_flags = 0;
- ssize_t bag_off =
- def_style_res != 0
- ? res.getBagLocked(def_style_res, &def_style_attr_start, &def_style_type_set_flags)
- : -1;
+ ssize_t bag_off = def_style_res != 0
+ ? res.getBagLocked(def_style_res, &def_style_attr_start,
+ &def_style_type_set_flags)
+ : -1;
def_style_type_set_flags |= def_style_bag_type_set_flags;
const ResTable::bag_entry* const def_style_attr_end =
def_style_attr_start + (bag_off >= 0 ? bag_off : 0);
- BagAttributeFinder def_style_attr_finder(def_style_attr_start, def_style_attr_end);
+ BagAttributeFinder def_style_attr_finder(def_style_attr_start,
+ def_style_attr_end);
// Retrieve the style class bag, if requested.
- const ResTable::bag_entry* style_attr_start = NULL;
+ const ResTable::bag_entry* style_attr_start = nullptr;
uint32_t style_type_set_flags = 0;
- bag_off = style != 0 ? res.getBagLocked(style, &style_attr_start, &style_type_set_flags) : -1;
+ bag_off =
+ style != 0
+ ? res.getBagLocked(style, &style_attr_start, &style_type_set_flags)
+ : -1;
style_type_set_flags |= style_bag_type_set_flags;
- const ResTable::bag_entry* const style_attr_end = style_attr_start + (bag_off >= 0 ? bag_off : 0);
+ const ResTable::bag_entry* const style_attr_end =
+ style_attr_start + (bag_off >= 0 ? bag_off : 0);
BagAttributeFinder style_attr_finder(style_attr_start, style_attr_end);
// Retrieve the XML attributes, if requested.
static const ssize_t kXmlBlock = 0x10000000;
XmlAttributeFinder xml_attr_finder(xml_parser);
- const size_t xml_attr_end = xml_parser != NULL ? xml_parser->getAttributeCount() : 0;
+ const size_t xml_attr_end =
+ xml_parser != nullptr ? xml_parser->getAttributeCount() : 0;
// Now iterate through all of the attributes that the client has requested,
// filling in each with whatever data we can find.
@@ -289,34 +318,41 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
// We found the attribute we were looking for.
xml_parser->getAttributeValue(xml_attr_idx, &value);
if (kDebugStyles) {
- ALOGI("-> From XML: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From XML: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
if (value.dataType == Res_value::TYPE_NULL) {
- // Walk through the style class values looking for the requested attribute.
- const ResTable::bag_entry* const style_attr_entry = style_attr_finder.Find(cur_ident);
+ // Walk through the style class values looking for the requested
+ // attribute.
+ const ResTable::bag_entry* const style_attr_entry =
+ style_attr_finder.Find(cur_ident);
if (style_attr_entry != style_attr_end) {
// We found the attribute we were looking for.
block = style_attr_entry->stringBlock;
type_set_flags = style_type_set_flags;
value = style_attr_entry->map.value;
if (kDebugStyles) {
- ALOGI("-> From style: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From style: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
}
if (value.dataType == Res_value::TYPE_NULL) {
- // Walk through the default style values looking for the requested attribute.
- const ResTable::bag_entry* const def_style_attr_entry = def_style_attr_finder.Find(cur_ident);
+ // Walk through the default style values looking for the requested
+ // attribute.
+ const ResTable::bag_entry* const def_style_attr_entry =
+ def_style_attr_finder.Find(cur_ident);
if (def_style_attr_entry != def_style_attr_end) {
// We found the attribute we were looking for.
block = def_style_attr_entry->stringBlock;
type_set_flags = style_type_set_flags;
value = def_style_attr_entry->map.value;
if (kDebugStyles) {
- ALOGI("-> From def style: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From def style: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
}
@@ -324,30 +360,35 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
uint32_t resid = 0;
if (value.dataType != Res_value::TYPE_NULL) {
// Take care of resolving the found resource to its final value.
- ssize_t new_block =
- theme->resolveAttributeReference(&value, block, &resid, &type_set_flags, &config);
+ ssize_t new_block = theme->resolveAttributeReference(
+ &value, block, &resid, &type_set_flags, &config);
if (new_block >= 0) {
block = new_block;
}
if (kDebugStyles) {
- ALOGI("-> Resolved attr: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> Resolved attr: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
} else {
// If we still don't have a value for this attribute, try to find
// it in the theme!
- ssize_t new_block = theme->getAttribute(cur_ident, &value, &type_set_flags);
+ ssize_t new_block =
+ theme->getAttribute(cur_ident, &value, &type_set_flags);
if (new_block >= 0) {
if (kDebugStyles) {
- ALOGI("-> From theme: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> From theme: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
- new_block = res.resolveReference(&value, new_block, &resid, &type_set_flags, &config);
+ new_block = res.resolveReference(&value, new_block, &resid,
+ &type_set_flags, &config);
if (new_block >= 0) {
block = new_block;
}
if (kDebugStyles) {
- ALOGI("-> Resolved theme: type=0x%x, data=0x%08x", value.dataType, value.data);
+ ALOGI("-> Resolved theme: type=0x%x, data=0x%08x", value.dataType,
+ value.data);
}
}
}
@@ -363,20 +404,21 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
}
if (kDebugStyles) {
- ALOGI("Attribute 0x%08x: type=0x%x, data=0x%08x", cur_ident, value.dataType, value.data);
+ ALOGI("Attribute 0x%08x: type=0x%x, data=0x%08x", cur_ident,
+ value.dataType, value.data);
}
// Write the final value back to Java.
out_values[STYLE_TYPE] = value.dataType;
out_values[STYLE_DATA] = value.data;
- out_values[STYLE_ASSET_COOKIE] = block != kXmlBlock
- ? static_cast<uint32_t>(res.getTableCookie(block))
- : static_cast<uint32_t>(-1);
+ out_values[STYLE_ASSET_COOKIE] =
+ block != kXmlBlock ? static_cast<uint32_t>(res.getTableCookie(block))
+ : static_cast<uint32_t>(-1);
out_values[STYLE_RESOURCE_ID] = resid;
out_values[STYLE_CHANGING_CONFIGURATIONS] = type_set_flags;
out_values[STYLE_DENSITY] = config.density;
- if (value.dataType != Res_value::TYPE_NULL) {
+ if (out_indices != nullptr && value.dataType != Res_value::TYPE_NULL) {
indices_idx++;
out_indices[indices_idx] = ii;
}
@@ -386,11 +428,14 @@ void ApplyStyle(ResTable::Theme* theme, ResXMLParser* xml_parser, uint32_t def_s
res.unlock();
- out_indices[0] = indices_idx;
+ if (out_indices != nullptr) {
+ out_indices[0] = indices_idx;
+ }
}
-bool RetrieveAttributes(const ResTable* res, ResXMLParser* xml_parser, uint32_t* attrs,
- size_t attrs_length, uint32_t* out_values, uint32_t* out_indices) {
+bool RetrieveAttributes(const ResTable* res, ResXMLParser* xml_parser,
+ uint32_t* attrs, size_t attrs_length,
+ uint32_t* out_values, uint32_t* out_indices) {
ResTable_config config;
Res_value value;
@@ -434,7 +479,8 @@ bool RetrieveAttributes(const ResTable* res, ResXMLParser* xml_parser, uint32_t*
if (value.dataType != Res_value::TYPE_NULL) {
// Take care of resolving the found resource to its final value.
// printf("Resolving attribute reference\n");
- ssize_t new_block = res->resolveReference(&value, block, &resid, &type_set_flags, &config);
+ ssize_t new_block = res->resolveReference(&value, block, &resid,
+ &type_set_flags, &config);
if (new_block >= 0) block = new_block;
}
@@ -448,14 +494,14 @@ bool RetrieveAttributes(const ResTable* res, ResXMLParser* xml_parser, uint32_t*
// Write the final value back to Java.
out_values[STYLE_TYPE] = value.dataType;
out_values[STYLE_DATA] = value.data;
- out_values[STYLE_ASSET_COOKIE] = block != kXmlBlock
- ? static_cast<uint32_t>(res->getTableCookie(block))
- : static_cast<uint32_t>(-1);
+ out_values[STYLE_ASSET_COOKIE] =
+ block != kXmlBlock ? static_cast<uint32_t>(res->getTableCookie(block))
+ : static_cast<uint32_t>(-1);
out_values[STYLE_RESOURCE_ID] = resid;
out_values[STYLE_CHANGING_CONFIGURATIONS] = type_set_flags;
out_values[STYLE_DENSITY] = config.density;
- if (out_indices != NULL && value.dataType != Res_value::TYPE_NULL) {
+ if (out_indices != nullptr && value.dataType != Res_value::TYPE_NULL) {
indices_idx++;
out_indices[indices_idx] = ii;
}
@@ -465,7 +511,7 @@ bool RetrieveAttributes(const ResTable* res, ResXMLParser* xml_parser, uint32_t*
res->unlock();
- if (out_indices != NULL) {
+ if (out_indices != nullptr) {
out_indices[0] = indices_idx;
}
return true;
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-03 08:17:56 +0000