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-rw-r--r--core/CMakeLists.txt2
-rw-r--r--core/divelist.c2
-rw-r--r--core/filterpreset.cpp144
-rw-r--r--core/filterpreset.h73
4 files changed, 221 insertions, 0 deletions
diff --git a/core/CMakeLists.txt b/core/CMakeLists.txt
index 2e84112da..caaa2b74c 100644
--- a/core/CMakeLists.txt
+++ b/core/CMakeLists.txt
@@ -86,6 +86,8 @@ set(SUBSURFACE_CORE_LIB_SRCS
file.h
filterconstraint.cpp
filterconstraint.h
+ filterpreset.cpp
+ filterpreset.h
format.cpp
format.h
fulltext.cpp
diff --git a/core/divelist.c b/core/divelist.c
index a5eaffe06..b1e670e31 100644
--- a/core/divelist.c
+++ b/core/divelist.c
@@ -7,6 +7,7 @@
#include "device.h"
#include "divesite.h"
#include "dive.h"
+#include "filterpreset.h"
#include "fulltext.h"
#include "planner.h"
#include "qthelper.h"
@@ -1376,6 +1377,7 @@ void clear_dive_file_data()
clear_dive(&displayed_dive);
clear_device_nodes();
clear_events();
+ clear_filter_presets();
reset_min_datafile_version();
clear_git_id();
diff --git a/core/filterpreset.cpp b/core/filterpreset.cpp
new file mode 100644
index 000000000..b21306502
--- /dev/null
+++ b/core/filterpreset.cpp
@@ -0,0 +1,144 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "filterpreset.h"
+#include "qthelper.h"
+#include "subsurface-string.h"
+
+std::vector<filter_preset> filter_preset_table;
+
+extern "C" void clear_filter_presets(void)
+{
+ filter_preset_table.clear();
+}
+
+extern "C" int filter_presets_count(void)
+{
+ return (int)filter_preset_table.size();
+}
+
+extern "C" char *filter_preset_name(int preset)
+{
+ return copy_qstring(filter_preset_name_qstring(preset));
+}
+
+extern "C" char *filter_preset_fulltext_query(int preset)
+{
+ return copy_qstring(filter_preset_table[preset].data.fullText.originalQuery);
+}
+
+extern "C" const char *filter_preset_fulltext_mode(int preset)
+{
+ switch (filter_preset_table[preset].data.fulltextStringMode) {
+ default:
+ case StringFilterMode::SUBSTRING:
+ return "substring";
+ case StringFilterMode::STARTSWITH:
+ return "startswith";
+ case StringFilterMode::EXACT:
+ return "exact";
+ }
+}
+
+extern "C" void filter_preset_set_fulltext(struct filter_preset *preset, const char *fulltext, const char *fulltext_string_mode)
+{
+ if (same_string(fulltext_string_mode, "substring"))
+ preset->data.fulltextStringMode = StringFilterMode::SUBSTRING;
+ else if (same_string(fulltext_string_mode, "startswith"))
+ preset->data.fulltextStringMode = StringFilterMode::STARTSWITH;
+ else // if (same_string(fulltext_string_mode, "exact"))
+ preset->data.fulltextStringMode = StringFilterMode::EXACT;
+ preset->data.fullText = fulltext;
+}
+
+extern "C" int filter_preset_constraint_count(int preset)
+{
+ return (int)filter_preset_table[preset].data.constraints.size();
+}
+
+extern "C" const filter_constraint *filter_preset_constraint(int preset, int constraint)
+{
+ return &filter_preset_table[preset].data.constraints[constraint];
+}
+
+extern "C" struct filter_preset *alloc_filter_preset()
+{
+ return new filter_preset;
+}
+
+extern "C" void free_filter_preset(const struct filter_preset *preset)
+{
+ delete preset;
+}
+
+extern "C" void filter_preset_set_name(struct filter_preset *preset, const char *name)
+{
+ preset->name = name;
+}
+
+static int filter_preset_add_to_table(const QString &name, const FilterData &d, filter_preset_table_t &table)
+{
+ // std::lower_bound does a binary search - the vector must be sorted.
+ filter_preset newEntry { name, d };
+ auto it = std::lower_bound(table.begin(), table.end(), newEntry,
+ [](const filter_preset &p1, const filter_preset &p2)
+ { return p1.name < p2.name; });
+ it = table.insert(it, newEntry);
+ return it - table.begin();
+}
+
+// Take care that the name doesn't already exist by adding numbers
+static QString get_unique_preset_name(const QString &orig, const filter_preset_table_t &table)
+{
+ QString res = orig;
+ int count = 2;
+ while (std::find_if(table.begin(), table.end(),
+ [&res](const filter_preset &preset)
+ { return preset.name == res; }) != table.end()) {
+ res = orig + "#" + QString::number(count);
+ ++count;
+ }
+ return res;
+}
+
+extern "C" void add_filter_preset_to_table(const struct filter_preset *preset, filter_preset_table_t *table)
+{
+ QString name = get_unique_preset_name(preset->name, *table);
+ filter_preset_add_to_table(name, preset->data, *table);
+}
+
+extern "C" void filter_preset_add_constraint(struct filter_preset *preset, const char *type, const char *string_mode,
+ const char *range_mode, bool negate, const char *data)
+{
+ preset->data.constraints.emplace_back(type, string_mode, range_mode, negate, data);
+}
+
+int filter_preset_id(const QString &name)
+{
+ auto it = std::find_if(filter_preset_table.begin(), filter_preset_table.end(),
+ [&name] (filter_preset &p) { return p.name == name; });
+ return it != filter_preset_table.end() ? it - filter_preset_table.begin() : -1;
+}
+
+QString filter_preset_name_qstring(int preset)
+{
+ return filter_preset_table[preset].name;
+}
+
+void filter_preset_set(int preset, const FilterData &data)
+{
+ filter_preset_table[preset].data = data;
+}
+
+FilterData filter_preset_get(int preset)
+{
+ return filter_preset_table[preset].data;
+}
+
+int filter_preset_add(const QString &name, const FilterData &d)
+{
+ return filter_preset_add_to_table(name, d, filter_preset_table);
+}
+
+void filter_preset_delete(int preset)
+{
+ filter_preset_table.erase(filter_preset_table.begin() + preset);
+}
diff --git a/core/filterpreset.h b/core/filterpreset.h
new file mode 100644
index 000000000..d10f1a06e
--- /dev/null
+++ b/core/filterpreset.h
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0
+// A list of filter settings with names. Every name is unique, which
+// means that saving to an old name will overwrite the old preset.
+//
+// Even though the filter data itself is a C++/Qt class to simplify
+// string manipulation and memory management, the data is accessible
+// via pure C functions so that it can be written to the log (git or xml).
+#ifndef FILTER_PRESETS_H
+#define FILTER_PRESETS_H
+
+struct dive;
+struct filter_constraint;
+
+// So that we can pass filter preset table between C and C++ we define
+// it as an opaque type in C. Thus we can easily create the table in C++
+// without having to do our own memory management and pass pointers to
+// void through C.
+#ifdef __cplusplus
+#include "divefilter.h"
+#include <vector>
+#include <QStringList>
+struct filter_preset {
+ QString name;
+ FilterData data;
+};
+
+using filter_preset_table_t = std::vector<filter_preset>;
+extern filter_preset_table_t filter_preset_table;
+#else
+struct filter_preset;
+typedef void filter_preset_table_t;
+#endif
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// The C IO code accesses the filter presets via integer indices.
+extern void clear_filter_presets(void);
+extern int filter_presets_count(void);
+extern char *filter_preset_name(int preset); // name of filter preset - caller must free the result.
+extern char *filter_preset_fulltext_query(int preset); // fulltext query of filter preset - caller must free the result.
+extern const char *filter_preset_fulltext_mode(int preset); // string mode of fulltext query. ownership is *not* passed to caller.
+extern int filter_preset_constraint_count(int preset); // number of constraints in the filter preset.
+extern const struct filter_constraint *filter_preset_constraint(int preset, int constraint); // get constraint. ownership is *not* passed to caller.
+extern struct filter_preset *alloc_filter_preset();
+extern void free_filter_preset(const struct filter_preset *preset);
+extern void filter_preset_set_name(struct filter_preset *preset, const char *name);
+extern void filter_preset_set_fulltext(struct filter_preset *preset, const char *fulltext, const char *fulltext_string_mode);
+extern void add_filter_preset_to_table(const struct filter_preset *preset, filter_preset_table_t *table);
+extern void filter_preset_add_constraint(struct filter_preset *preset, const char *type, const char *string_mode,
+ const char *range_mode, bool negate, const char *data); // called by the parser, therefore data passed as strings.
+
+#ifdef __cplusplus
+}
+#endif
+
+// C++ only functions
+#ifdef __cplusplus
+
+struct FilterData;
+
+int filter_preset_id(const QString &s); // for now, we assume that names are unique. returns -1 if no preset with that name.
+QString filter_preset_name_qstring(int preset);
+void filter_preset_set(int preset, const FilterData &d); // this will override a preset if the name already exists.
+FilterData filter_preset_get(int preset);
+int filter_preset_add(const QString &name, const FilterData &d); // returns point of insertion
+void filter_preset_delete(int preset);
+
+#endif
+
+#endif