Initial commit

Borrowing the app skeleton from Bitwise Harmony.

1 files changed, 89 insertions, 0 deletions

diff --git a/src/ui/command.c b/src/ui/command.c
new file mode 100644
index 00000000..16a0d948
--- /dev/null
+++ b/src/ui/command.c
@@ -0,0 +1,89 @@
+#include "command.h"
+#include "app.h"
+
+#include <the_Foundation/string.h>
+#include <ctype.h>
+
+iBool equal_Command(const char *cmdWithArgs, const char *cmd) {
+    if (strchr(cmdWithArgs, ':')) {
+        return beginsWith_CStr(cmdWithArgs, cmd) && cmdWithArgs[strlen(cmd)] == ' ';
+    }
+    return equal_CStr(cmdWithArgs, cmd);
+}
+
+static const iString *tokenString_(const char *label) {
+    return collectNewFormat_String(" %s:", label);
+}
+
+int argLabel_Command(const char *cmd, const char *label) {
+    const iString *tok = tokenString_(label);
+    const char *ptr = strstr(cmd, cstr_String(tok));
+    if (ptr) {
+        return atoi(ptr + size_String(tok));
+    }
+    return 0;
+}
+
+int arg_Command(const char *cmd) {
+    return argLabel_Command(cmd, "arg");
+}
+
+float argf_Command(const char *cmd) {
+    const char *ptr = strstr(cmd, " arg:");
+    if (ptr) {
+        return strtof(ptr + 5, NULL);
+    }
+    return 0;
+}
+
+void *pointerLabel_Command(const char *cmd, const char *label) {
+    const iString *tok = tokenString_(label);
+    const char *ptr = strstr(cmd, cstr_String(tok));
+    if (ptr) {
+        void *val = NULL;
+        sscanf(ptr + size_String(tok), "%p", &val);
+        return val;
+    }
+    return NULL;
+}
+
+void *pointer_Command(const char *cmd) {
+    return pointerLabel_Command(cmd, "ptr");
+}
+
+const char *valuePtr_Command(const char *cmd, const char *label) {
+    const iString *tok = tokenString_(label);
+    const char *ptr = strstr(cmd, cstr_String(tok));
+    if (ptr) {
+        return ptr + size_String(tok);
+    }
+    return NULL;
+}
+
+const iString *string_Command(const char *cmd, const char *label) {
+    iRangecc val = { valuePtr_Command(cmd, label), NULL };
+    if (val.start) {
+        for (val.end = val.start; *val.end && !isspace(*val.end); val.end++) {}
+        return collect_String(newRange_String(&val));
+    }
+    return collectNew_String();
+}
+
+iInt2 dir_Command(const char *cmd) {
+    const char *ptr = strstr(cmd, " dir:");
+    if (ptr) {
+        iInt2 dir;
+        sscanf(ptr + 5, "%d%d", &dir.x, &dir.y);
+        return dir;
+    }
+    return zero_I2();
+}
+
+iInt2 coord_Command(const char *cmd) {
+    iInt2 coord = zero_I2();
+    const char *ptr = strstr(cmd, " coord:");
+    if (ptr) {
+        sscanf(ptr + 7, "%d%d", &coord.x, &coord.y);
+    }
+    return coord;
+}