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Add DYNAMIC_DATA placeholder for raw streamed template content

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Support registering dynamic String/progmem data without re-parsing as
nested templates, used by WiFiManager for composed portal stylesheets.
This commit is contained in:
alex
2026-05-04 22:03:42 +10:00
parent e3af7eacbf
commit 2a1ef2de63
4 changed files with 96 additions and 1 deletions
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include/DeviceFrameworkPlaceholderRegistry.h
+4
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@@ -90,6 +90,7 @@ public:
* @return true if registered successfully
*/
bool registerRamData(const char* name, PlaceholderDataGetter getter);
bool registerDynamicData(const char* name, const DynamicDataDescriptor* descriptor);
bool registerDynamicTemplate(const char* name, const DynamicTemplateDescriptor* descriptor);
bool registerConditional(const char* name, const ConditionalDescriptor* descriptor);
bool registerIterator(const char* name, const IteratorDescriptor* descriptor);
@@ -124,6 +125,7 @@ public:
// Static helper functions for length calculation
static size_t getProgmemLength(const void* data);
static size_t getRamLength(const void* data);
static size_t getDynamicDataLength(const DynamicDataDescriptor* descriptor, const char* data);
static size_t getDynamicTemplateLength(const DynamicTemplateDescriptor* descriptor, const char* templateData);
private:
@@ -138,6 +140,8 @@ private:
uint8_t* dest, size_t maxLen);
static size_t copyRamData(PlaceholderDataGetter getter, size_t offset,
uint8_t* dest, size_t maxLen);
static size_t copyDynamicData(const DynamicDataDescriptor* descriptor, size_t offset,
uint8_t* dest, size_t maxLen);
};
#endif // DEVICEFRAMEWORK_PLACEHOLDER_REGISTRY_H