Added support for Terminal.up(), down(), left(), right() for the terminal.
This commit is contained in:
Adam Murdoch
@@ -1,161 +1,194 @@
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#ifndef WIN32
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#include "native.h"
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#include "generic.h"
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <curses.h>
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#include <term.h>
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/*
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* Marks the given result as failed, using the current value of errno
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*/
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void mark_failed_with_errno(JNIEnv *env, const char* message, jobject result) {
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mark_failed_with_code(env, message, errno, result);
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}
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/*
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* File functions
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*/
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixFileFunctions_chmod(JNIEnv *env, jclass target, jstring path, jint mode, jobject result) {
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const char* pathUtf8 = env->GetStringUTFChars(path, NULL);
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int retval = chmod(pathUtf8, mode);
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env->ReleaseStringUTFChars(path, pathUtf8);
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if (retval != 0) {
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mark_failed_with_errno(env, "could not chmod file", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixFileFunctions_stat(JNIEnv *env, jclass target, jstring path, jobject dest, jobject result) {
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struct stat fileInfo;
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const char* pathUtf8 = env->GetStringUTFChars(path, NULL);
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int retval = stat(pathUtf8, &fileInfo);
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env->ReleaseStringUTFChars(path, pathUtf8);
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if (retval != 0) {
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mark_failed_with_errno(env, "could not stat file", result);
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return;
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}
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jclass destClass = env->GetObjectClass(dest);
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jfieldID modeField = env->GetFieldID(destClass, "mode", "I");
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env->SetIntField(dest, modeField, 0777 & fileInfo.st_mode);
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}
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/*
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* Process functions
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*/
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JNIEXPORT jint JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixProcessFunctions_getPid(JNIEnv *env, jclass target) {
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return getpid();
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}
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/*
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* Terminal functions
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*/
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JNIEXPORT jboolean JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixTerminalFunctions_isatty(JNIEnv *env, jclass target, jint output) {
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switch (output) {
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case 0:
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case 1:
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return isatty(output+1) ? JNI_TRUE : JNI_FALSE;
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default:
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return JNI_FALSE;
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixTerminalFunctions_getTerminalSize(JNIEnv *env, jclass target, jint output, jobject dimension, jobject result) {
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struct winsize screen_size;
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int retval = ioctl(output+1, TIOCGWINSZ, &screen_size);
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if (retval != 0) {
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mark_failed_with_errno(env, "could not fetch terminal size", result);
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return;
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}
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jclass dimensionClass = env->GetObjectClass(dimension);
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jfieldID widthField = env->GetFieldID(dimensionClass, "cols", "I");
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env->SetIntField(dimension, widthField, screen_size.ws_col);
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jfieldID heightField = env->GetFieldID(dimensionClass, "rows", "I");
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env->SetIntField(dimension, heightField, screen_size.ws_row);
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}
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/*
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* Terminfo functions
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*/
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int current_terminal = -1;
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int write_to_terminal(int ch) {
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write(current_terminal, &ch, 1);
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}
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void write_capability(JNIEnv *env, const char* capability, jobject result) {
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char* cap = tgetstr((char*)capability, NULL);
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if (cap == NULL) {
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mark_failed_with_message(env, "unknown terminal capability", result);
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return;
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}
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if (tputs(cap, 1, write_to_terminal) == ERR) {
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mark_failed_with_message(env, "could not write to terminal", result);
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return;
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_initTerminal(JNIEnv *env, jclass target, jint output, jobject result) {
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if (!isatty(output+1)) {
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mark_failed_with_message(env, "not a terminal", result);
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return;
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}
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char* termType = getenv("TERM");
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if (termType == NULL) {
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mark_failed_with_message(env, "$TERM not set", result);
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return;
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}
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int retval = tgetent(NULL, termType);
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if (retval != 1) {
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mark_failed_with_message(env, "could not get termcap entry", result);
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return;
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}
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current_terminal = output + 1;
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write_capability(env, "me", result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_bold(JNIEnv *env, jclass target, jobject result) {
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write_capability(env, "md", result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_reset(JNIEnv *env, jclass target, jobject result) {
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write_capability(env, "me", result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_foreground(JNIEnv *env, jclass target, jint color, jobject result) {
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char* capability = tgetstr((char*)"AF", NULL);
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if (capability == NULL) {
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mark_failed_with_message(env, "unknown terminal capability", result);
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return;
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}
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capability = tparm(capability, color, 0, 0, 0, 0, 0, 0, 0, 0);
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if (capability == NULL) {
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mark_failed_with_message(env, "could not format terminal capability string", result);
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return;
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}
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if (tputs(capability, 1, write_to_terminal) == ERR) {
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mark_failed_with_message(env, "could not write to terminal", result);
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return;
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}
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}
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#endif
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#ifndef WIN32
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#include "native.h"
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#include "generic.h"
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <curses.h>
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#include <term.h>
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/*
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* Marks the given result as failed, using the current value of errno
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*/
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void mark_failed_with_errno(JNIEnv *env, const char* message, jobject result) {
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mark_failed_with_code(env, message, errno, result);
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}
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/*
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* File functions
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*/
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixFileFunctions_chmod(JNIEnv *env, jclass target, jstring path, jint mode, jobject result) {
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const char* pathUtf8 = env->GetStringUTFChars(path, NULL);
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int retval = chmod(pathUtf8, mode);
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env->ReleaseStringUTFChars(path, pathUtf8);
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if (retval != 0) {
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mark_failed_with_errno(env, "could not chmod file", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixFileFunctions_stat(JNIEnv *env, jclass target, jstring path, jobject dest, jobject result) {
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struct stat fileInfo;
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const char* pathUtf8 = env->GetStringUTFChars(path, NULL);
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int retval = stat(pathUtf8, &fileInfo);
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env->ReleaseStringUTFChars(path, pathUtf8);
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if (retval != 0) {
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mark_failed_with_errno(env, "could not stat file", result);
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return;
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}
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jclass destClass = env->GetObjectClass(dest);
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jfieldID modeField = env->GetFieldID(destClass, "mode", "I");
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env->SetIntField(dest, modeField, 0777 & fileInfo.st_mode);
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}
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/*
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* Process functions
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*/
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JNIEXPORT jint JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixProcessFunctions_getPid(JNIEnv *env, jclass target) {
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return getpid();
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}
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/*
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* Terminal functions
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*/
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JNIEXPORT jboolean JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixTerminalFunctions_isatty(JNIEnv *env, jclass target, jint output) {
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switch (output) {
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case 0:
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case 1:
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return isatty(output+1) ? JNI_TRUE : JNI_FALSE;
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default:
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return JNI_FALSE;
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_PosixTerminalFunctions_getTerminalSize(JNIEnv *env, jclass target, jint output, jobject dimension, jobject result) {
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struct winsize screen_size;
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int retval = ioctl(output+1, TIOCGWINSZ, &screen_size);
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if (retval != 0) {
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mark_failed_with_errno(env, "could not fetch terminal size", result);
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return;
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}
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jclass dimensionClass = env->GetObjectClass(dimension);
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jfieldID widthField = env->GetFieldID(dimensionClass, "cols", "I");
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env->SetIntField(dimension, widthField, screen_size.ws_col);
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jfieldID heightField = env->GetFieldID(dimensionClass, "rows", "I");
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env->SetIntField(dimension, heightField, screen_size.ws_row);
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}
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/*
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* Terminfo functions
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*/
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int current_terminal = -1;
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int write_to_terminal(int ch) {
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write(current_terminal, &ch, 1);
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}
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void write_capability(JNIEnv *env, const char* capability, jobject result) {
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char* cap = tgetstr((char*)capability, NULL);
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if (cap == NULL) {
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mark_failed_with_message(env, "unknown terminal capability", result);
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return;
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}
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if (tputs(cap, 1, write_to_terminal) == ERR) {
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mark_failed_with_message(env, "could not write to terminal", result);
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return;
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}
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}
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void write_param_capability(JNIEnv *env, const char* capability, int count, jobject result) {
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char* cap = tgetstr((char*)capability, NULL);
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if (cap == NULL) {
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mark_failed_with_message(env, "unknown terminal capability", result);
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return;
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}
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cap = tparm(cap, count, 0, 0, 0, 0, 0, 0, 0, 0);
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if (cap == NULL) {
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mark_failed_with_message(env, "could not format terminal capability string", result);
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return;
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}
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if (tputs(cap, 1, write_to_terminal) == ERR) {
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mark_failed_with_message(env, "could not write to terminal", result);
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return;
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_initTerminal(JNIEnv *env, jclass target, jint output, jobject result) {
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if (!isatty(output+1)) {
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mark_failed_with_message(env, "not a terminal", result);
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return;
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}
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char* termType = getenv("TERM");
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if (termType == NULL) {
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mark_failed_with_message(env, "$TERM not set", result);
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return;
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}
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int retval = tgetent(NULL, termType);
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if (retval != 1) {
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mark_failed_with_message(env, "could not get termcap entry", result);
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return;
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}
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current_terminal = output + 1;
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write_capability(env, "me", result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_bold(JNIEnv *env, jclass target, jobject result) {
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write_capability(env, "md", result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_reset(JNIEnv *env, jclass target, jobject result) {
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write_capability(env, "me", result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_foreground(JNIEnv *env, jclass target, jint color, jobject result) {
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write_param_capability(env, "AF", color, result);
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_up(JNIEnv *env, jclass target, jint count, jobject result) {
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for (jint i = 0; i < count; i++) {
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write_capability(env, "up", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_down(JNIEnv *env, jclass target, jint count, jobject result) {
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for (jint i = 0; i < count; i++) {
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write_capability(env, "do", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_left(JNIEnv *env, jclass target, jint count, jobject result) {
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for (jint i = 0; i < count; i++) {
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write_capability(env, "le", result);
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}
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}
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JNIEXPORT void JNICALL
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Java_net_rubygrapefruit_platform_internal_jni_TerminfoFunctions_right(JNIEnv *env, jclass target, jint count, jobject result) {
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for (jint i = 0; i < count; i++) {
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write_capability(env, "nd", result);
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}
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}
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#endif
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