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-rw-r--r--core/CMakeLists.txt2
-rw-r--r--core/xmlparams.cpp62
-rw-r--r--core/xmlparams.h40
-rw-r--r--packaging/ios/Subsurface-mobile.pro2
4 files changed, 106 insertions, 0 deletions
diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index caaa2b74c..079d1a1fe 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -189,6 +189,8 @@ set(SUBSURFACE_CORE_LIB_SRCS
worldmap-options.h
worldmap-save.c
worldmap-save.h
+ xmlparams.cpp
+ xmlparams.h
xmp_parser.cpp
xmp_parser.h
diff --git a/core/xmlparams.cpp b/core/xmlparams.cpp
new file mode 100644
index 000000000..a12739a4d
--- /dev/null
+++ b/core/xmlparams.cpp
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "xmlparams.h"
+
+extern "C" struct xml_params *alloc_xml_params()
+{
+ return new xml_params;
+}
+
+extern "C" void free_xml_params(struct xml_params *params)
+{
+ delete params;
+}
+
+extern "C" void xml_params_resize(struct xml_params *params, int count)
+{
+ params->items.resize(count);
+}
+
+extern "C" void xml_params_add(struct xml_params *params, const char *key, const char *value)
+{
+ params->items.push_back({ std::string(key), std::string(value) });
+}
+
+extern "C" void xml_params_add_int(struct xml_params *params, const char *key, int value)
+{
+ params->items.push_back({ std::string(key), std::to_string(value) });
+}
+
+extern "C" int xml_params_count(const struct xml_params *params)
+{
+ return (int)params->items.size();
+}
+
+extern "C" const char *xml_params_get_key(const struct xml_params *params, int idx)
+{
+ return params->items[idx].first.c_str();
+}
+
+extern "C" const char *xml_params_get_value(const struct xml_params *params, int idx)
+{
+ return params->items[idx].second.c_str();
+}
+
+extern void xml_params_set_value(struct xml_params *params, int idx, const char *value)
+{
+ if (idx < 0 || idx >= (int)params->items.size())
+ return;
+ params->items[idx].second = value;
+}
+
+extern "C" const char **xml_params_get(const struct xml_params *params)
+{
+ if (!params)
+ return nullptr;
+ params->data.resize(params->items.size() * 2 + 1);
+ for (size_t i = 0; i < params->items.size(); ++i) {
+ params->data[i * 2] = params->items[i].first.c_str();
+ params->data[i * 2 + 1] = params->items[i].second.c_str();
+ }
+ params->data[params->items.size() * 2] = nullptr;
+ return params->data.data();
+}
diff --git a/core/xmlparams.h b/core/xmlparams.h
new file mode 100644
index 000000000..38e175935
--- /dev/null
+++ b/core/xmlparams.h
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0
+// Small helper class that keeps track of key/value pairs to
+// pass to the XML-routines as parameters. Uses C++ for memory
+// management, but provides a C interface via anonymous struct.
+
+#ifdef __cplusplus
+#include <string>
+#include <vector>
+
+struct xml_params {
+ std::vector<std::pair<std::string, std::string>> items;
+ mutable std::vector<const char *> data;
+};
+
+#else
+
+struct xml_params;
+
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Return values marked as "not stable" may be invalidated when calling
+// an xml_params_*() function that takes a non-const xml_params parameter.
+extern struct xml_params *alloc_xml_params();
+extern void free_xml_params(struct xml_params *params);
+extern void xml_params_resize(struct xml_params *params, int count);
+extern void xml_params_add(struct xml_params *params, const char *key, const char *value);
+extern void xml_params_add_int(struct xml_params *params, const char *key, int value);
+extern int xml_params_count(const struct xml_params *params);
+extern const char *xml_params_get_key(const struct xml_params *params, int idx); // not stable
+extern const char *xml_params_get_value(const struct xml_params *params, int idx); // not stable
+extern void xml_params_set_value(struct xml_params *params, int idx, const char *value);
+extern const char **xml_params_get(const struct xml_params *params); // not stable
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/packaging/ios/Subsurface-mobile.pro b/packaging/ios/Subsurface-mobile.pro
index c83ebb57e..7a6498ebd 100644
--- a/packaging/ios/Subsurface-mobile.pro
+++ b/packaging/ios/Subsurface-mobile.pro
@@ -104,6 +104,7 @@ SOURCES += ../../subsurface-mobile-main.cpp \
../../core/uploadDiveShare.cpp \
../../core/uploadDiveLogsDE.cpp \
../../core/save-profiledata.c \
+ ../../core/xmlparams.cpp \
../../core/settings/qPref.cpp \
../../core/settings/qPrefCloudStorage.cpp \
../../core/settings/qPrefDisplay.cpp \
@@ -255,6 +256,7 @@ HEADERS += \
../../core/save-profiledata.h \
../../core/uploadDiveShare.h \
../../core/uploadDiveLogsDE.h \
+ ../../core/xmlparams.h \
../../core/settings/qPref.h \
../../core/settings/qPrefCloudStorage.h \
../../core/settings/qPrefDisplay.h \