Initial commit of mtgonline project

C++/libcockatrice_utility/libcockatrice/utility/string_limits.h

@@ -0,0 +1,31 @@
+#ifndef STRING_LIMITS_H
+#define STRING_LIMITS_H
+
+#include <QString>
+#include <algorithm>
+#include <string>
+
+/** @brief Max size for short strings, like names and things that are generally a single phrase. */
+constexpr int MAX_NAME_LENGTH = 0xff;
+/** @brief Max size for chat messages and text contents. */
+constexpr int MAX_TEXT_LENGTH = 0xfff;
+/** @brief Max size for deck files and pictures (about 2 megabytes). */
+constexpr int MAX_FILE_LENGTH = 0x1fffff;
+
+/** @brief Returns a QString from a std::string, truncated to at most MAX_NAME_LENGTH bytes. */
+inline QString nameFromStdString(const std::string &_string)
+{
+    return QString::fromUtf8(_string.data(), std::min(int(_string.size()), MAX_NAME_LENGTH));
+}
+/** @brief Returns a QString from a std::string, truncated to at most MAX_TEXT_LENGTH bytes. */
+inline QString textFromStdString(const std::string &_string)
+{
+    return QString::fromUtf8(_string.data(), std::min(int(_string.size()), MAX_TEXT_LENGTH));
+}
+/** @brief Returns a QString from a std::string, truncated to at most MAX_FILE_LENGTH bytes. */
+inline QString fileFromStdString(const std::string &_string)
+{
+    return QString::fromUtf8(_string.data(), std::min(int(_string.size()), MAX_FILE_LENGTH));
+}
+
+#endif // STRING_LIMITS_H