no message

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@634 212acab6-be3b-0410-9dea-997c60f758d6

Source/nlf.cpp

@@ -0,0 +1,64 @@
+#include <Windows.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "nlf.h"
+
+char SkipComments(FILE *f) {
+  char c;
+  while (c = fgetc(f))
+    if (c == '#' || c == ';') {
+      while (c = fgetc(f))
+       if (c == '\n') break;
+      }
+    else break;
+  return c;
+}
+
+// NSIS Language File parser
+NLF::NLF(char *filename) {
+  FILE *f = fopen(filename, "r");
+  if (!f) throw runtime_error("Can't open language file!");
+
+  char buf[1024];
+  buf[0] = SkipComments(f);
+  fgets(buf+1, 1024, f);
+
+  // Check header
+  if (strncmp(buf, "NLF v", 5)) throw runtime_error("Invalid language file!");
+  if (atoi(buf+5) != NLF_VERSION) throw runtime_error("Language file version doesn't match NSIS version!");
+
+  // Get language ID
+  buf[0] = SkipComments(f);
+  fgets(buf+1, 1024, f);
+  m_wLangId = atoi(buf);
+
+  // Read strings
+  for (int i = 0; i < NLF_STRINGS; i++) {
+    buf[0] = SkipComments(f);
+    fgets(buf+1, 1024, f);
+    if (lstrlen(buf) == 1023) {
+      wsprintf(buf, "String too long (string #%d)!", i);
+      throw runtime_error(buf);
+    }
+    m_szStrings[i] = new char[lstrlen(buf)+1];
+    lstrcpy(m_szStrings[i], buf);
+  }
+
+  fclose(f);
+}
+
+NLF::~NLF() {
+  MessageBox(0, "destructor", "info", MB_OK);
+  for (int i = 0; i < NLF_STRINGS; i++) {
+    delete [] m_szStrings[i];
+  }
+}
+
+WORD NLF::GetLang() {
+  return m_wLangId;
+}
+
+char* NLF::GetString(int idx) {
+  if (idx < 0 || idx >= NLF_STRINGS) return 0;
+  return m_szStrings[idx];
+}