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authorPixel <pixel@nobis-crew.org>2009-11-04 11:56:41 -0800
committerPixel <pixel@nobis-crew.org>2009-11-04 11:59:33 -0800
commitd577d991b97ae2b5ee1af23641bcffc3f83af5b2 (patch)
tree590639d50205d1bcfaff2a7d2dc6ebf3f373c7ed /iup/srclua3/il_scanf.c
Initial import. Contains the im, cd and iup librairies, and a "working" Makefile for them under linux.
Diffstat (limited to 'iup/srclua3/il_scanf.c')
-rwxr-xr-xiup/srclua3/il_scanf.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/iup/srclua3/il_scanf.c b/iup/srclua3/il_scanf.c
new file mode 100755
index 0000000..d98b586
--- /dev/null
+++ b/iup/srclua3/il_scanf.c
@@ -0,0 +1,181 @@
+/** \file
+ * \brief Iup API in Lua
+ *
+ * See Copyright Notice in "iup.h"
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <lua.h>
+#include <lauxlib.h>
+
+#include "iup.h"
+
+#include "iuplua.h"
+#include "il.h"
+
+#include "iup_str.h"
+#include "iup_predial.h"
+
+#define ALLOC(n,t) ((t *)calloc((n),sizeof(t)))
+#define REQUIRE(b) {if (!(b)) goto cleanup;}
+
+void iupluaScanf(void)
+{
+ char *format;
+ int i;
+ int fields;
+ int *width = NULL;
+ int *scroll = NULL;
+ char **prompt = NULL;
+ char **text = NULL;
+ char *title = NULL;
+ char *s = NULL;
+ char *s1 = NULL;
+ char *outf = NULL;
+ int indParam; /* va_list va; */
+
+ format = luaL_check_string(1);
+ fields = iupStrCountChar(format, '\n') - 1;
+ REQUIRE(fields > 0);
+ width = ALLOC(fields, int);
+ REQUIRE(width != NULL);
+ scroll = ALLOC(fields, int);
+ REQUIRE(scroll != NULL);
+ prompt = ALLOC(fields, char *);
+ REQUIRE(prompt != NULL);
+ text = ALLOC(fields, char *);
+ REQUIRE(text != NULL);
+
+ indParam = 2; /* va_start(va,format); */
+ REQUIRE((s1 = s = (char *) iupStrDup(format)) != NULL);
+ title = iupStrCopyUntil(&s, '\n');
+ REQUIRE(title != NULL);
+ for (i = 0; i < fields; ++i) {
+ int n;
+ prompt[i] = iupStrCopyUntil(&s, '%');
+ REQUIRE(prompt[i] != NULL);
+ n = sscanf(s, "%d.%d", width + i, scroll + i);
+ REQUIRE(n == 2);
+ s = strchr(s, '%');
+ REQUIRE(s != NULL);
+ if (outf) free(outf);
+ outf = iupStrCopyUntil(&s, '\n');
+ text[i] = ALLOC(width[i] + 1, char);
+ REQUIRE(text[i] != NULL);
+
+ switch (s[-2]) {
+ case 'd':
+ case 'i':
+ case 'o':
+ case 'u':
+ case 'x':
+ case 'X':
+ if (s[-3] == 'l')
+ sprintf(text[i], outf, luaL_check_long(indParam++));
+ else if (s[-3] == 'h')
+ sprintf(text[i], outf, (short)luaL_check_int(indParam++));
+ else
+ sprintf(text[i], outf, luaL_check_int(indParam++));
+ break;
+ case 'e':
+ case 'f':
+ case 'g':
+ case 'E':
+ case 'G':
+ if (s[-3] == 'l')
+ sprintf(text[i], outf, luaL_check_number(indParam++));
+ else
+ sprintf(text[i], outf, (float)luaL_check_number(indParam++));
+ break;
+ case 's':
+ sprintf(text[i], outf, (char *)luaL_check_string(indParam++));
+ break;
+ default:
+ goto cleanup;
+ }
+ }
+ /* va_end(va); */
+
+ REQUIRE(iupDataEntry(fields, width, scroll, title, prompt, text)>0);
+
+ /* va_start(va,format); */
+ s = strchr(format, '\n') + 1;
+ for (i = 0; i < fields; ++i) {
+ s = strchr(s, '\n') + 1;
+ switch (s[-2]) {
+ case 'd':
+ case 'u':
+ if (s[-3] == 'l') {
+ long l = 0;
+ sscanf(text[i], "%ld", &l);
+ lua_pushnumber(l);
+ } else if (s[-3] == 'h') {
+ short l = 0;
+ sscanf(text[i], "%hd", &l);
+ lua_pushnumber(l);
+ } else {
+ int l = 0;
+ sscanf(text[i], "%d", &l);
+ lua_pushnumber(l);
+ }
+ break;
+ case 'i':
+ case 'o':
+ case 'x':
+ case 'X':
+ if (s[-3] == 'l') {
+ long l = 0;
+ sscanf(text[i], "%li", &l);
+ lua_pushnumber(l);
+ } else if (s[-3] == 'h') {
+ short l = 0;
+ sscanf(text[i], "%hi", &l);
+ lua_pushnumber(l);
+ } else {
+ int l = 0;
+ sscanf(text[i], "%i", &l);
+ lua_pushnumber(l);
+ }
+ break;
+ case 'e':
+ case 'f':
+ case 'g':
+ case 'E':
+ case 'G':
+ if (s[-3] == 'l') {
+ double l = 0;
+ sscanf(text[i], "%lg", &l);
+ lua_pushnumber(l);
+ } else {
+ float l = 0;
+ sscanf(text[i], "%g", &l);
+ lua_pushnumber(l);
+ }
+ break;
+ case 's':
+ lua_pushstring(text[i]);
+ break;
+ }
+ }
+ /* va_end(va); */
+
+cleanup:
+ if (s1) free(s1);
+ if (title) free(title);
+ if (width) free(width);
+ if (scroll) free(scroll);
+ if (outf) free(outf);
+ if (prompt) {
+ for (i = 0; i < fields; ++i)
+ if (prompt[i]) free(prompt[i]);
+ free(prompt);
+ }
+ if (text) {
+ for (i = 0; i < fields; ++i)
+ if (text[i]) free(text[i]);
+ free(text);
+ }
+}