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-rw-r--r--.gitignore4
-rw-r--r--README.md2
-rw-r--r--include/sibs/Functional.hpp113
-rw-r--r--project.conf9
-rw-r--r--tests/.vscode/c_cpp_properties.json17
-rw-r--r--tests/.vscode/launch.json27
-rw-r--r--tests/.vscode/settings.json8
-rw-r--r--tests/main.cpp47
8 files changed, 226 insertions, 1 deletions
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..36d858d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+# Compiled sibs files
+sibs-build/
+tests/sibs-build/
+compile_commands.json
diff --git a/README.md b/README.md
index dcb0f70..c1202bb 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,2 @@
# sibs-functional
-
+Library to perform operations such as merge, filter etc on collections without creating copies
diff --git a/include/sibs/Functional.hpp b/include/sibs/Functional.hpp
new file mode 100644
index 0000000..53d8ff0
--- /dev/null
+++ b/include/sibs/Functional.hpp
@@ -0,0 +1,113 @@
+#pragma once
+
+#include <vector>
+
+namespace sibs
+{
+ template <typename T>
+ class Function;
+
+ template <typename T>
+ class FunctionIterator
+ {
+ public:
+ FunctionIterator(T *_it, Function<T> *_func, std::size_t _funcIndex) :
+ it(_it),
+ func(_func),
+ funcIndex(_funcIndex)
+ {
+
+ }
+
+ bool operator == (FunctionIterator<T> &rhs) const
+ {
+ return it == rhs.it && funcIndex == rhs.funcIndex;
+ }
+
+ bool operator != (FunctionIterator<T> &rhs) const
+ {
+ return !(*this == rhs);
+ }
+
+ T& operator * ()
+ {
+ return *it;
+ }
+
+ void operator ++ ()
+ {
+ ++it;
+ if(it == func->endIt)
+ {
+ if(funcIndex < func->connections.size())
+ {
+ it = func->connections[funcIndex].beginIt;
+ ++funcIndex;
+ }
+ }
+ }
+ private:
+ T *it;
+ Function<T> *func;
+ std::size_t funcIndex;
+ };
+
+ template <typename T>
+ class Function
+ {
+ friend class FunctionIterator<T>;
+ public:
+ typedef FunctionIterator<T> iterator;
+ typedef const FunctionIterator<T> const_iterator;
+
+ Function(T *begin, T *end) :
+ beginIt(begin),
+ endIt(end)
+ {
+
+ }
+
+ Function(std::vector<T> &vec) :
+ beginIt(vec.data()),
+ endIt(vec.data() + vec.size())
+ {
+
+ }
+
+ Function& merge(Function &otherFunc)
+ {
+ connections.push_back(otherFunc);
+ return *this;
+ }
+
+ iterator begin()
+ {
+ return FunctionIterator<T>(beginIt, this, 0);
+ }
+
+ iterator end()
+ {
+ T *it = endIt;
+ if(!connections.empty())
+ it = connections.back().endIt;
+ return FunctionIterator<T>(it, this, connections.size());
+ }
+
+ const_iterator begin() const
+ {
+ return FunctionIterator<T>(beginIt, this, 0);
+ }
+
+ const_iterator end() const
+ {
+ T *it = endIt;
+ if(!connections.empty())
+ it = connections.back().endIt;
+ return FunctionIterator<T>(it, this, connections.size());
+ }
+ private:
+ T *beginIt;
+ T *endIt;
+ std::vector<Function> connections;
+ };
+}
diff --git a/project.conf b/project.conf
new file mode 100644
index 0000000..178feae
--- /dev/null
+++ b/project.conf
@@ -0,0 +1,9 @@
+[package]
+name = "sibs-functional"
+type = "dynamic"
+version = "0.1.0"
+platforms = ["any"]
+tests = "tests"
+
+[config]
+expose_include_dirs = ["include"]
diff --git a/tests/.vscode/c_cpp_properties.json b/tests/.vscode/c_cpp_properties.json
new file mode 100644
index 0000000..6ffabe5
--- /dev/null
+++ b/tests/.vscode/c_cpp_properties.json
@@ -0,0 +1,17 @@
+{
+ "configurations": [
+ {
+ "name": "Linux",
+ "includePath": [
+ "${workspaceFolder}/**"
+ ],
+ "defines": [],
+ "compilerPath": "/opt/cuda/bin/gcc",
+ "cStandard": "c11",
+ "cppStandard": "c++17",
+ "intelliSenseMode": "clang-x64",
+ "compileCommands": "${workspaceFolder}/compile_commands.json"
+ }
+ ],
+ "version": 4
+} \ No newline at end of file
diff --git a/tests/.vscode/launch.json b/tests/.vscode/launch.json
new file mode 100644
index 0000000..a1e2431
--- /dev/null
+++ b/tests/.vscode/launch.json
@@ -0,0 +1,27 @@
+{
+ // Use IntelliSense to learn about possible attributes.
+ // Hover to view descriptions of existing attributes.
+ // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+ "version": "0.2.0",
+ "configurations": [
+ {
+ "name": "(gdb) Launch",
+ "type": "cppdbg",
+ "request": "launch",
+ "program": "${workspaceFolder}/sibs-build/debug/test",
+ "args": [],
+ "stopAtEntry": false,
+ "cwd": "${workspaceFolder}",
+ "environment": [],
+ "externalConsole": true,
+ "MIMode": "gdb",
+ "setupCommands": [
+ {
+ "description": "Enable pretty-printing for gdb",
+ "text": "-enable-pretty-printing",
+ "ignoreFailures": true
+ }
+ ]
+ }
+ ]
+} \ No newline at end of file
diff --git a/tests/.vscode/settings.json b/tests/.vscode/settings.json
new file mode 100644
index 0000000..b8354d0
--- /dev/null
+++ b/tests/.vscode/settings.json
@@ -0,0 +1,8 @@
+{
+ "files.associations": {
+ "array": "cpp",
+ "initializer_list": "cpp",
+ "string_view": "cpp",
+ "utility": "cpp"
+ }
+} \ No newline at end of file
diff --git a/tests/main.cpp b/tests/main.cpp
new file mode 100644
index 0000000..dfcd357
--- /dev/null
+++ b/tests/main.cpp
@@ -0,0 +1,47 @@
+#include <cstdio>
+#include <cstdlib>
+#include <vector>
+#include <sibs/Functional.hpp>
+
+void assertEquals(int expected, int actual)
+{
+ if(actual != expected)
+ {
+ fprintf(stderr, "Assert failed: Expected %d, got %d\n", expected, actual);
+ exit(1);
+ }
+}
+
+int main(int argc, char **argv)
+{
+ std::vector<int> vec1 = { 1, 2, 3, 4, 5 };
+ std::vector<int> vec2 = { 6, 7, 8, 9, 10 };
+ int sum = 0;
+
+ sibs::Function<int> func1(vec1.data(), vec1.data() + vec1.size());
+ for(auto value : func1)
+ {
+ printf("func1 value: %d\n", value);
+ sum += value;
+ }
+ assertEquals(15, sum);
+ sum = 0;
+
+ sibs::Function<int> func2(vec2);
+ for(auto value : func2)
+ {
+ printf("func2 value: %d\n", value);
+ sum += value;
+ }
+ assertEquals(40, sum);
+ sum = 0;
+
+ for(auto value : func1.merge(func2))
+ {
+ printf("func1 and func2 value: %d\n", value);
+ sum += value;
+ }
+ assertEquals(55, sum);
+
+ return 0;
+}