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authorNatanael Copa <ncopa@alpinelinux.org>2010-03-06 19:07:38 +0000
committerNatanael Copa <ncopa@alpinelinux.org>2010-06-11 07:02:18 +0000
commit7aed449427348824f7fbfc0e9dc698ea6519f91e (patch)
tree73b00265c5c534d639ec6ee7317f2736954137f2
parent3ec82a5a420fc00d38ad7dded819525a91533652 (diff)
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lua: initial lua module
-rw-r--r--Makefile3
-rw-r--r--src/Makefile12
-rw-r--r--src/lua-apk.c64
3 files changed, 76 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index 50d5b03ce0..9fd642280c 100644
--- a/Makefile
+++ b/Makefile
@@ -13,8 +13,9 @@ LIBDIR := /lib
CONFDIR := /etc/apk
MANDIR := /usr/share/man
DOCDIR := /usr/share/doc/apk
+LUA_LIBDIR := /usr/lib/lua/5.1
-export DESTDIR SBINDIR LIBDIR CONFDIR MANDIR DOCDIR
+export DESTDIR SBINDIR LIBDIR CONFDIR MANDIR DOCDIR LUA_LIBDIR
##
# Top-level rules and targets
diff --git a/src/Makefile b/src/Makefile
index b0b2a6709c..a7f1419951 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -8,6 +8,11 @@ shlibs-y += libapk.so
libapk.so-objs := common.o state.o database.o package.o archive.o \
version.o io.o url.o gunzip.o blob.o hash.o print.o
+shlibs-y += apk.so
+apk.so-objs := lua-apk.o
+CFLAGS_lua-apk.o := -DAPK_VERSION=\"$(FULL_VERSION)\"
+LIBS_apk.so := -L$(obj) -llua -lapk
+
progs-y += apk
apk-objs := apk.o add.o del.o fix.o update.o info.o \
search.o upgrade.o cache.o ver.o index.o fetch.o \
@@ -30,8 +35,11 @@ LIBS := -Wl,--as-needed \
$(obj)/apk: $(obj)/libapk.so
-install: $(obj)/apk $(obj)/libapk.so
- $(INSTALLDIR) $(DESTDIR)$(SBINDIR) $(DESTDIR)$(LIBDIR)
+$(obj)/apk.so: $(obj)/libapk.so
+
+install: $(obj)/apk $(obj)/libapk.so $(obj)/apk.so
+ $(INSTALLDIR) $(addprefix $(DESTDIR),$(SBINDIR) $(LIBDIR) $(LUA_LIBDIR))
$(INSTALL) $(obj)/apk $(DESTDIR)$(SBINDIR)
$(INSTALL) $(obj)/libapk.so $(DESTDIR)$(LIBDIR)
+ $(INSTALL) $(obj)/apk.so $(DESTDIR)$(LUA_LIBDIR)
diff --git a/src/lua-apk.c b/src/lua-apk.c
new file mode 100644
index 0000000000..efd7c3ebbd
--- /dev/null
+++ b/src/lua-apk.c
@@ -0,0 +1,64 @@
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+#include "apk_defines.h"
+#include "apk_version.h"
+#include "apk_blob.h"
+
+#define LIBNAME "apk"
+
+int apk_verbosity;
+unsigned int apk_flags;
+
+/* version_validate(verstr) */
+/* returns boolean */
+static int Pversion_validate(lua_State *L)
+{
+ apk_blob_t ver;
+ ver.ptr = (char *)luaL_checklstring(L, 1, &ver.len);
+ lua_pushboolean(L, apk_version_validate(ver));
+ return 1;
+}
+
+/* version_compare(verstr1, verstr2)
+ returns either '<', '=' or '>'
+*/
+static int Pversion_compare(lua_State *L)
+{
+ apk_blob_t a, b;
+ a.ptr = (char *)luaL_checklstring(L, 1, &a.len);
+ b.ptr = (char *)luaL_checklstring(L, 2, &b.len);
+ lua_pushstring(L, apk_version_op_string(apk_version_compare_blob(a, b)));
+ return 1;
+}
+
+/* version_is_less(verstr1, verstr2)
+ returns either '<', '=' or '>'
+*/
+static int Pversion_is_less(lua_State *L)
+{
+ apk_blob_t a, b;
+ a.ptr = (char *)luaL_checklstring(L, 1, &a.len);
+ b.ptr = (char *)luaL_checklstring(L, 2, &b.len);
+ lua_pushboolean(L, apk_version_compare_blob(a, b) == APK_VERSION_LESS);
+ return 1;
+}
+
+
+static const luaL_reg R[] = {
+ {"version_validate", Pversion_validate},
+ {"version_compare", Pversion_compare},
+ {"version_is_less", Pversion_is_less},
+ {NULL, NULL}
+};
+
+LUALIB_API int luaopen_apk(lua_State *L)
+{
+ luaL_register(L, LIBNAME, R);
+ lua_pushliteral(L, "version");
+ lua_pushliteral(L, APK_VERSION);
+ lua_settable(L, -3);
+ return 1;
+}
+