#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <errno.h>
+#include <string>
+#include <map>
#include <unistd.h>
+#include <dirent.h>
+#include <sys/stat.h>
#include "fs.h"
#include "icon.h"
#include "gmath/gmath.h"
static IconRenderer *iconrend;
+static std::map<std::string, FSNode*> node_cache;
+static FSNode *cur_node;
+static int start_child;
+
bool init_fs()
{
iconrend = new ShapesIcons;
return false;
}
+ cur_node = get_fsnode(0);
+ cur_node->expand();
return true;
}
void cleanup_fs()
{
+ std::map<std::string, FSNode*>::iterator it = node_cache.begin();
+ while(it != node_cache.end()) {
+ FSNode *node = it++->second;
+ delete node;
+ }
+ node_cache.clear();
delete iconrend;
}
-void draw_fs()
+static Vec3 icon_pos(int row, int col, int ncols, float row_spacing, float radius)
{
- FSNode test;
- test.type = FSNODE_DIR;
+ float angle = 2.0 * M_PI * (float)col / (float)ncols;
+ float x = sin(angle) * radius;
+ float z = -cos(angle) * radius;
+ float y = (float)row * row_spacing;
+ return Vec3(x, y, z);
+}
- Mat4 xform;
- xform.rotate(time_sec, 0, 0);
- xform.rotate(0, 0, time_sec * 0.5);
- xform.translate(0, 2, -5);
+void draw_fs()
+{
+ static const int ncols = 8;
+ static const float row_spacing = 2.0;
+ static const float radius = 5;
- glPushMatrix();
- glMultMatrixf(xform[0]);
+ Mat4 base_xform;
+ base_xform.rotate(time_sec, 0, 0);
+ base_xform.rotate(0, 0, time_sec * 0.5);
+ base_xform.translate(0, 2, 0);
glUseProgram(0);
glDisable(GL_TEXTURE_2D);
- iconrend->draw(&test);
- glPopMatrix();
+ int first = start_child % ncols;
+ int nchildren = (int)cur_node->children.size();
+ int col = 0, row = 0;
+
+ for(int i=0; i<nchildren; i++) {
+ int idx = (i + first) % nchildren;
+ Vec3 pos = icon_pos(row, col, ncols, row_spacing, radius);
+
+ Mat4 xform = base_xform;
+ xform.translate(pos);
+
+ glPushMatrix();
+ glMultMatrixf(xform[0]);
+ iconrend->draw(cur_node->children[idx]);
+ glPopMatrix();
+
+ if(++col >= ncols) {
+ col = 0;
+ ++row;
+ }
+ }
}
-// ---- FSNode implementation ----
-FSNode::FSNode()
+FSNode *get_fsnode(const char *path)
{
- type = FSNODE_UNKNOWN;
- abs_path = name = suffix = 0;
+ char *abspath = make_abs_path(path);
+
+ FSNode *node = node_cache[abspath];
+ if(!node) {
+ node = new FSNode;
+ node->path = path;
+
+ struct stat st;
+ if(stat(node->path, &st) == -1) {
+ fprintf(stderr, "failed to stat: %s\n", node->path.get_path());
+ delete node;
+ return 0;
+ }
+ node->size = st.st_size;
+
+ switch(st.st_mode & S_IFMT) {
+ case S_IFREG:
+ node->type = FSTYPE_FILE;
+ break;
+
+ case S_IFDIR:
+ node->type = FSTYPE_DIR;
+ break;
+
+ case S_IFBLK:
+ case S_IFCHR:
+ node->type = FSTYPE_DEV;
+ break;
+
+ default:
+ node->type = FSTYPE_UNKNOWN;
+ }
+ node_cache[abspath] = node;
+ }
+
+ return node;
}
-FSNode::~FSNode()
+FSNode *get_fsnode(const char *dir, const char *name)
{
- if(abs_path) {
- delete [] abs_path;
+ if(!dir) {
+ return get_fsnode(name);
+ }
+ if(!name || *name == '/') {
+ return 0;
}
+
+ int len = strlen(dir) + 1 + strlen(name);
+ char *buf = new char[len + 1];
+ sprintf(buf, "%s/%s", dir, name);
+ FSNode *res = get_fsnode(buf);
+ delete [] buf;
+ return res;
}
-void FSNode::set_path(const char *s)
+// ---- FSNode implementation ----
+FSNode::FSNode()
{
- int len = strlen(s);
- if(!len) return;
+ type = FSTYPE_UNKNOWN;
+ size = 0;
+ parent = 0;
+}
- delete [] abs_path;
+bool FSNode::expand()
+{
+ if(type != FSTYPE_DIR) {
+ return false;
+ }
- const char *slash = s + len - 1;
- while(slash > s && *slash != '/') {
- --slash;
+ DIR *dir = opendir(path);
+ if(!dir) {
+ fprintf(stderr, "failed to open dir: %s: %s\n", path.get_path(), strerror(errno));
+ return false;
}
- if(name == s) { // no slashes found
- char buf[1024];
- if(!getcwd(buf, sizeof buf)) {
- abort();
- }
- int dirlen = strlen(buf);
- abs_path = new char[len + dirlen + 2];
- sprintf(abs_path, "%s/%s", buf, s);
+ struct dirent *dent;
+ while((dent = readdir(dir))) {
+ if(strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0) {
+ continue;
+ }
- name = abs_path + dirlen + 1;
- suffix = abs_path + len + dirlen - 1;
- } else {
- abs_path = new char[len + 1];
- memcpy(abs_path, s, len + 1);
+ FSNode *node = get_fsnode(path, dent->d_name);
+ if(!node) continue;
- name = abs_path + (slash - s);
- suffix = abs_path + len - 1;
+ children.push_back(node);
}
+ printf("expanded %d children\n", (int)children.size());
- while(suffix > name && *suffix != '.') {
- --suffix;
- }
- if(suffix == name) {
- suffix = 0;
- }
+ parent = get_fsnode(path.get_parent());
+ return true;
}