create initial files and write three hs_pushstring() tests

6 files changed, 144 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index b25c15b..bdc5af0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *~
+build
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..4dcfccd
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.2)
+project(honeysuckle
+  VERSION 1.0.0
+  DESCRIPTION "A C library to make writing lua bindings simple")
+
+set(CMAKE_C_FLAGS "-Wall -Wextra -Werror -Wfatal-errors -Wpedantic")
+
+find_package(Lua51 REQUIRED)
+include_directories(${LUA_INCLUDE_DIR})
+
+# build and link the library
+add_library(honeysuckle src/honeysuckle.c)
+target_link_libraries(honeysuckle ${LUA_LIBRARIES})
+set_target_properties(honeysuckle PROPERTIES
+  VERSION ${PROJECT_VERSION}
+  PUBLIC_HEADER src/honeysuckle.h)
+
+# optionally build the tests
+add_executable(test EXCLUDE_FROM_ALL src/test.c)
+target_link_libraries(test ${LUA_LIBRARIES} honeysuckle)
+
+include(GNUInstallDirs)
+
+install(TARGETS honeysuckle
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
diff --git a/README.md b/README.md
index de37ca5..05f4ae7 100644
--- a/README.md
+++ b/README.md
@@ -273,7 +273,9 @@ Development
 honeysuckle is still very early in development. As the specifics of the build 
 process and testing become clearer I'll update this section.
 
-# License
+License
+-------
+
 [(Back to top)](#table-of-contents)
 
 
diff --git a/src/honeysuckle.c b/src/honeysuckle.c
new file mode 100644
index 0000000..423fa1b
--- /dev/null
+++ b/src/honeysuckle.c
@@ -0,0 +1,7 @@
+#include "honeysuckle.h"
+
+void hs_pushstring(lua_State *L, const char *format_string, ...)
+{
+    lua_pushnumber(L, 0.4);
+    format_string = format_string;
+}
diff --git a/src/honeysuckle.h b/src/honeysuckle.h
new file mode 100644
index 0000000..7538791
--- /dev/null
+++ b/src/honeysuckle.h
@@ -0,0 +1,27 @@
+#ifndef HONEYSUCKLE_H
+#define HONEYSUCKLE_H
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+
+#define HS_END 0
+
+/* type constants */
+#define HS_BOOL 1
+#define HS_INT 2
+#define HS_NUM 3
+#define HS_STR 4
+#define HS_TBL 5
+#define HS_FUNC 6
+#define HS_CFUNC 7
+#define HS_USER 8
+#define HS_LIGHT 9
+#define HS_NIL 10
+#define HS_ANY 11
+
+
+void hs_pushstring(lua_State *L, const char *format_string, ...);
+
+#endif
diff --git a/src/test.c b/src/test.c
new file mode 100644
index 0000000..5275d4d
--- /dev/null
+++ b/src/test.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include "honeysuckle.h"
+
+/* minunit testing macros modified from those at www.jera.com/techinfo/jtns/jtn002.html */
+#define mu_assert(message, test) do { if (!(test)) return message; } while (0)
+#define mu_run_test(name, test) do {                            \
+        lua_State *L = luaL_newstate();                         \
+        luaL_openlibs(L);                                       \
+        char *message = test(L);                                \
+        lua_close(L);                                           \
+        tests_run++;                                            \
+        if (message) {                                          \
+            printf("test '%s' failed: %s\n", name, message);    \
+            tests_failed++;                                     \
+        }                                                       \
+    } while (0)
+
+int tests_run = 0;
+int tests_failed = 0;
+
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * tests for hs_pushstring
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+static char* push_noformat(lua_State *L)
+{
+    hs_pushstring(L, "a string");
+    mu_assert("no string at top of stack!", lua_isstring(L, -1));
+    const char *string = lua_tostring(L, -1);
+    mu_assert("string != 'a string'", strcmp(string, "a string") == 0);
+    return 0;
+}
+
+static char* push_formatint(lua_State *L)
+{
+    hs_pushstring(L, "%d is 5", 5);
+    mu_assert("no string at top of stack!", lua_isstring(L, -1));
+    const char *string = lua_tostring(L, -1);
+    mu_assert("string != '5 is 5'", strcmp(string, "5 is 5") == 0);
+    return 0;
+}
+
+static char* push_formatstring(lua_State *L)
+{
+    hs_pushstring(L, "%s is 'hello'", "hello");
+    mu_assert("no string at top of stack!", lua_isstring(L, -1));
+    const char *string = lua_tostring(L, -1);
+    mu_assert("string != 'hello is 'hello''",
+              strcmp(string, "hello is 'hello'") == 0);
+    return 0;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * RUN TESTS
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+int main()
+{
+    printf("================ start tests ================\n\n");
+    printf("running hs_pushstring() tests...\n");
+    mu_run_test("hs_pushstring (no printf formatting)", push_noformat);
+    mu_run_test("hs_pushstring (integer formatting)", push_formatint);
+    mu_run_test("hs_pushstring (string formatting)", push_formatstring);
+    printf("\n=============== tests finished ===============\n\n");
+    printf("ran %d tests, %d failed\n", tests_run, tests_failed);
+    return 0;
+}