Moved Stars45 to StarsEx

1 files changed, 335 insertions, 0 deletions

diff --git a/StarsEx/FormatUtil.cpp b/StarsEx/FormatUtil.cpp
new file mode 100644
index 0000000..fd3ce66
--- /dev/null
+++ b/StarsEx/FormatUtil.cpp
@@ -0,0 +1,335 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+*/
+
+#include "FormatUtil.h"
+
+// +--------------------------------------------------------------------+
+
+void FormatNumber(char* txt, double n)
+{
+    double a = fabs(n);
+
+    if (a < 1e3)
+    sprintf(txt, "%d", (int) (n));
+
+    else if (a < 1e6)
+    sprintf(txt, "%.1f K", (n/1e3));
+
+    else if (a < 1e9)
+    sprintf(txt, "%.1f M", (n/1e6));
+
+    else if (a < 1e12)
+    sprintf(txt, "%.1f G", (n/1e9));
+
+    else if (a < 1e15)
+    sprintf(txt, "%.1f T", (n/1e12));
+
+    else
+    sprintf(txt, "%.1e", n);
+}
+
+// +--------------------------------------------------------------------+
+
+void FormatNumberExp(char* txt, double n)
+{
+    double a = fabs(n);
+
+    if (a < 100e3)
+    sprintf(txt, "%d", (int) (n));
+
+    else
+    sprintf(txt, "%.1e", n);
+}
+
+// +--------------------------------------------------------------------+
+
+const int MINUTE  = 60;
+const int HOUR    = 60 * MINUTE;
+const int DAY     = 24 * HOUR;
+
+void FormatTime(char* txt, double time)
+{
+    int t = (int) time;
+
+    int h = (t                  / HOUR);
+    int m = ((t - h*HOUR)       / MINUTE);
+    int s = (t - h*HOUR - m*MINUTE);
+
+    if (h > 0)
+    sprintf(txt, "%02d:%02d:%02d", h,m,s);
+    else
+    sprintf(txt, "%02d:%02d", m,s);
+}
+
+// +--------------------------------------------------------------------+
+
+void FormatTimeOfDay(char* txt, double time)
+{
+    int t = (int) time;
+
+    if (t >= DAY) {
+        int d = t / DAY;
+        t -= d * DAY;
+    }
+
+    int h = (t                  / HOUR);
+    int m = ((t - h*HOUR)       / MINUTE);
+    int s = (t - h*HOUR - m*MINUTE);
+
+    sprintf(txt, "%02d:%02d:%02d", h,m,s);
+}
+
+// +--------------------------------------------------------------------+
+
+void FormatDayTime(char* txt, double time, bool short_format)
+{
+    int t = (int) time;
+    int d = 1, h = 0, m = 0, s = 0;
+
+    if (t >= DAY) {
+        d =  t / DAY;
+        t -= d * DAY;
+        d++;
+    }
+
+    if (t >= HOUR) {
+        h =  t / HOUR;
+        t -= h * HOUR;
+    }
+
+    if (t >= MINUTE) {
+        m =  t / MINUTE;
+        t -= m * MINUTE;
+    }
+
+    s = t;
+
+    if (short_format)
+    sprintf(txt, "%02d/%02d:%02d:%02d", d, h, m, s);
+    else
+    sprintf(txt, "Day %02d %02d:%02d:%02d", d, h, m, s);
+}
+
+// +--------------------------------------------------------------------+
+
+void FormatDay(char* txt, double time)
+{
+    int t = (int) time;
+    int d = 1, h = 0, m = 0, s = 0;
+
+    if (t >= DAY) {
+        d =  t / DAY;
+        t -= d * DAY;
+        d++;
+    }
+
+    sprintf(txt, "Day %02d", d);
+}
+
+// +--------------------------------------------------------------------+
+
+void FormatPoint(char* txt, const Point& p)
+{
+    char x[16];
+    char y[16];
+    char z[16];
+
+    FormatNumber(x, p.x);
+    FormatNumber(y, p.y);
+    FormatNumber(z, p.z);
+
+    sprintf(txt, "(%s, %s, %s)", x, y, z);
+}
+
+// +--------------------------------------------------------------------+
+
+Text FormatTimeString(int utc)
+{
+    static const char* month[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+    static const char* meridian[2] = { "AM", "PM" };
+
+    if (utc < 1)
+    utc = (int) time(0);
+
+    time_t aclock = utc;                // Get time in seconds
+    struct tm *t  = localtime(&aclock); // Convert time to struct tm form
+
+    char buffer[256];
+    sprintf(buffer, "%d %s %d, %2d:%02d:%02d %s",
+    t->tm_mday, month[t->tm_mon], 1900 + t->tm_year,
+    t->tm_hour > 12 ? t->tm_hour-12 : t->tm_hour,
+    t->tm_min, t->tm_sec, meridian[t->tm_hour > 12]);
+
+    return buffer;
+}
+
+// +--------------------------------------------------------------------+
+
+static char safe_str[2048];
+
+const char* SafeString(const char* s)
+{
+    ZeroMemory(safe_str, sizeof(safe_str));
+
+    if (s && *s) {
+        int len = strlen(s);
+        int n   = 0;
+
+        for (int i = 0; i < len; i++) {
+            char c = s[i];
+
+            if (c == '\n') {
+                safe_str[n++] = '\\';
+                safe_str[n++] = 'n';
+            }
+
+            else if (c == '\t') {
+                safe_str[n++] = '\\';
+                safe_str[n++] = 't';
+            }
+
+            else if (c == '"') {
+                safe_str[n++] = '\'';
+            }
+
+            else if (c == '\\' && i < len-1) {
+                safe_str[n++] = s[i++];
+                safe_str[n++] = s[i++];
+            }
+
+            else if (c < 32 || c > 126) {
+                // non printing characters
+            }
+
+            else {
+                safe_str[n++] = c;
+            }
+
+            if (n > 2040)
+            break;
+        }
+    }
+
+    return safe_str;
+}
+
+// +--------------------------------------------------------------------+
+
+const char* SafeQuotes(const char* msg)
+{
+    int dst = 0;
+
+    if (msg) {
+        while (*msg && dst < 254) {
+            if (*msg == '"') {
+                safe_str[dst++] = '\'';
+                msg++;
+            }
+            else if (isspace(*msg)) {
+                safe_str[dst++] = ' ';
+                msg++;
+            }
+            else {
+                safe_str[dst++] = *msg++;
+            }
+        }
+    }
+
+    safe_str[dst] = 0;
+    return safe_str;
+}
+
+// +--------------------------------------------------------------------+
+
+Text FormatTextReplace(const char* msg, const char* tgt, const char* val)
+{
+    if (!msg || !tgt || !val)
+    return "";
+
+    if (!strchr(msg, *tgt))
+    return msg;
+
+    Text        result;
+    char*       buffer = new char[strlen(msg) + 1];
+    const char* p      = msg;
+    char*       q      = buffer;
+    int         tgtlen = strlen(tgt);
+
+    while (*p) {
+        if (!strncmp(p, tgt, tgtlen)) {
+            p += tgtlen;
+            *q = 0;
+            q = buffer;
+
+            result += buffer;
+            result += val;
+        }
+
+        else {
+            *q++ = *p++;
+        }
+    }
+
+    if (q != buffer) {
+        *q = 0;
+        result += buffer;
+    }
+
+    delete [] buffer;
+    return result;
+}
+
+// +--------------------------------------------------------------------+
+
+Text FormatTextEscape(const char* msg)
+{
+    if (!msg)
+    return "";
+
+    if (!strchr(msg, '\\'))
+    return msg;
+
+    Text        result;
+    char*       buffer = new char[strlen(msg) + 1];
+    const char* p      = msg;
+    char*       q      = buffer;
+
+    while (*p) {
+        if (*p == '\\') {
+            p++;
+
+            if (*p == 'n') {
+                *q++ = '\n';
+                p++;
+            }
+
+            else if (*p == 't') {
+                *q++ = '\t';
+                p++;
+            }
+
+            else {
+                *q++ = *p++;
+            }
+        }
+
+        else {
+            *q++ = *p++;
+        }
+    }
+
+    *q = 0;
+    result = buffer;
+    delete [] buffer;
+    return result;
+}